DOIs were not uniformly provided in 2004 and thus a number of abstract links below do not work. Please use ADS or Google scholar to find these articles.

"The carbon isotopic distribution of Murchison amino acids." S. Pizzarello, Y. Huang, and M. Fuller. Geochim Cosmochim Acta 68:4963-4969 (2004). ABSTRACT

"The Astrochemistry of Diffuse Interstellar Clouds." S.Casu, E. Congiu, G. Malloci, G. Mulas, I. Porceddu, and A. Urru. Memorie della Societa Astronomica Italiana Suppl 5:131-135 (2004). ABSTRACT

"Titan's stratospheric composition driven by condensation and dynamics." F. Hourdin, S. Lebonnois, D. Luz, and P. Rannou. J Geophys Res Planets 109:E12005 (2004). ABSTRACT

"Theoretical Study on the Structures and Stability of SiC₃P Isomers." H.-l. Liu, X.-r. Huang, G.-h. Chen, Y.-h. Ding, and C.-c. Sun. J Phys Chem A 108:11828-11837 (2004). ABSTRACT

"A DFT study of the generation of interstellar species XN (X = Cl, and Br) activated by molecular sieve clusters." Y. Zeng, L. Meng, S. Zheng, M. Ge, and D. Wang. Chem Phys Lett 400:394-400 (2004). ABSTRACT

"Evolution of Chemistry and Molecular Line Profiles during Protostellar Collapse." J.-E. Lee, E. A. Bergin, and N. J. Evans II. ApJ 617:360-383 (2004). ABSTRACT

"Molecular Line Observations of Carbon-Chain-Producing Regions L1495B and L1521B." T. Hirota, H. Maezawa, and S. Yamamoto. ApJ 617:399-405 (2004). ABSTRACT

"Mechanism of Formation of Glass with Embedded Metal and Sulfides." J. P. Bradley and Z. R. Dai. ApJ 617:650-655 (2004). ABSTRACT

"Laboratory Microwave Spectroscopy of the Cyanomethyl Radical, CH₂CN." H. Ozeki, T. Hirao, S. Saito, and S. Yamamoto. ApJ 617:680-684 (2004). ABSTRACT

"Deuteration of CH_n⁺ (n = 3-5) in Collisions with HD Measured in a Low-Temperature Ion Trap." O. Asvany, S. Schlemmer, and D. Gerlich. ApJ 617:685-692 (2004). ABSTRACT

"Reactions of nitriles in ices relevant to Titan, comets, and the interstellar medium: formation of cyanate ion, ketenimines, and isonitriles." R.L. Hudson and M.H. Moore. Icarus 172:466-478 (2004). ABSTRACT

"A mechanism for the production of hydrogen peroxide and the hydroperoxyl radical on icy satellites by low-energy electrons." X. Pan, A. D. Bass, J.-P. Jay-Gerin, and L. Sanche. Icarus 172:521-525 (2004). ABSTRACT

"Detection of methane in the martian atmosphere: evidence for life?" V. A. Krasnopolsky, J. P. Maillard, and T. C. Owen. Icarus 172:537-547 (2004). ABSTRACT

"Theoretical Study of the Structures and Stabilities of Small CaC_n, CaC_n⁺, and CaC_n^- (n = 1-8) Cyclic Clusters." P. Redondo, C. Barrientos, and A. Largo. J Phys Chem A 108:11132-11140 (2004). ABSTRACT

"Product State Distributions of Vibrationally Excited CO(ν) for the CH(X²) and CH(A²) Channels of the C₂H + O(³P) Reaction." V. Chikan, B. Nizamov, and S. R. Leone. J Phys Chem A 108:10770-10782 (2004). ABSTRACT

"Exploring the Multiple Reaction Pathways for the H + cyc-C₃H₆ Reaction." H.-G. Yu and J. T. Muckerman. J Phys Chem A 108:10844-10849 (2004). ABSTRACT

"Ion Chemistry in Photon-dominated Regions: Examining the [HCO⁺]/[HOC⁺]/[CO⁺] Chemical Network." C. Savage and L. M. Ziurys. ApJ 616:966-975 (2004). ABSTRACT

"New Laboratory Data on a Molecular Band at 4429 Å." M. Araki, H. Linnartz, P. Kolek, H. Ding, A. Boguslavskiy, A. Denisov, T. W. Schmidt, T. Motylewski, P. Cias, and J. P. Maier. ApJ 616:1301-1310 (2004). ABSTRACT

"The gas temperature in flaring disks around pre-main sequence stars." B. Jonkheid, F. G. A. Faas, G.-J. van Zadelhoff, and E. F. van Dishoeck. A&A 428:511-521 (2004). ABSTRACT

"Theoretical Study on Structures and Stability of NC₃S Isomers." G.-T. Yu, Y.-H. Ding, X.-R. Huang, G.-H. Chen, and A.-C. Tang. J Phys Chem A 108:10723-10739 (2004). ABSTRACT

"The abundance of HOC⁺ in diffuse clouds." H. Liszt, R. Lucas, and J. H. Black. A&A 428:117-120 (2004). ABSTRACT

"A QCT study of the cross-section, energy and angular distributions of the OH + D₂ → HOD + D reaction at E_T = 0.28 eV on the YZCL2 surface." J. D. Sierra, P. A. Enríquez, D. Troya, and M. González. Chem Phys Lett 399:527-533 (2004). ABSTRACT

"Polycyclic Aromatic Hydrocarbon Emission in the 15-21 Micron Region." E. Peeters , A. L. Mattioda , D. M. Hudgins , and L. J. Allamandola. ApJ 617:L65-L68 (2004). ABSTRACT

"Multiply-deuterated species in prestellar cores." D. R. Flower, G. Pineau des Forêts, and C. M. Walmsley. A&A 427:887-893 (2004). ABSTRACT

"The millimeter-wave spectrum of perdeuterated methanol, CD₃OD." L.-H. Xu, H. S. P. Müller, F. F. S. van der Tak, and S. Thorwirth. J Mol Spectrosc 228:220-229 (2004). ABSTRACT

"The millimeter- and submillimeter-wave spectrum of the trans-gauche conformer of diethyl ether." I. Medvedeva, M. Winnewisser, F. C. De Lucia, E. Herbst, E. Bialkowska-Jaworska, L. Pszczókowski, and Z. Kisiel. J Mol Spectrosc 228:314-328 (2004). ABSTRACT

"Near infrared spectroscopy of carbon dioxide I. ¹⁶O¹²C¹⁶O line positions." C. E. Miller and L. R. Brown. J Mol Spectrosc 228:329-354 (2004). ABSTRACT

"Near infrared spectroscopy of carbon dioxide. II. ¹⁶O¹³C¹⁶O and ¹⁶O¹³C¹⁸O line positions." C. E. Miller, M. A. Montgomery, R. M. Onorato, C. Johnstone, T. P. McNicholas, B. Kovaric, and L. R. Brown. J Mol Spectrosc 228:355-374 (2004). ABSTRACT

"Near-Arcsecond Resolution Observations of the Hot Corino of the Solar-Type Protostar IRAS 16293-2422." S. Bottinelli, C. Ceccarelli, R. Neri, J. P. Williams, E. Caux, S. Cazaux, B. Lefloch, S. Maret, and A. G. G. M. Tielens. ApJ 617:L69 (2004). ABSTRACT

"Hydrogenation of CO on Pure Solid CO and CO-H₂O Mixed Ice." N. Watanabe, A. Nagaoka, T. Shiraki, and A. Kouchi. ApJ 616:638-642 (2004). ABSTRACT

"Case Study of a Prototypical Elementary Insertion Reaction: C(¹D) + H₂ → CH + H." S. Y. Lin and H. Guo. J Phys Chem A 108:10066-10071 (2004). ABSTRACT

"Quasiclassical State-Selected Trajectory Study of O + H₃⁺ Reaction." R. E. Cook and C. W. Eaker. J Phys Chem A 108:10252-10257 (2004). ABSTRACT

"A laboratory survey of the thermal desorption of astrophysically relevant molecules." M. P. Collings, M. A. Anderson, R. Chen, J. W. Dever, S. Viti, D. A. Williams, and M. R. S. McCoustra. MNRAS 354:1133-1140 (2004). ABSTRACT

"Evaporation of ices near massive stars: models based on laboratory temperature programmed desorption data." S. Viti, M. P. Collings, J. W. Dever, M. R. S. McCoustra, and D. A. Williams. MNRAS 354:1141-1145 (2004). ABSTRACT

"High Spatial Resolution CN and CS Observation of Two Regions of Massive Star Formation." H. Beuther, P. Schilke, and F. Wyrowski. ApJ 615:832-839 (2004). ABSTRACT

"HCO⁺ Observations toward Comet Hale-Bopp (C/1995 O1): Ion-Molecule Chemistry and Evidence for a Volatile Secondary Source." S. N. Milam, C. Savage, L. M. Ziurys, and S. Wyckoff. ApJ 615:1054-1062 (2004). ABSTRACT

"Formation of CO and CO₂ Molecules by Ion Irradiation of Water Ice-covered Hydrogenated Carbon Grains." V. Mennella, M. E. Palumbo, and G. A. Baratta. ApJ 615:1073-1080 (2004). ABSTRACT

"Theoretical Survey of the Potential Energy Surfaces Associated with the N⁺(³P,¹D) + C₂H₄ Reactions in the Gas Phase." I. Corral, O. Mó, and M. Yáñez. J Phys Chem A 108:9762-9767 (2004). ABSTRACT

"¹⁵N⁺ + CD₄ and O⁺ + ¹³CO₂ State-Selected Ion-Molecule Reactions Relevant to the Chemistry of Planetary Ionospheres." C. Alcaraz, C. Nicolas, R. Thissen, J. Zabka, and O. Dutuit. J Phys Chem A 108:9998-10009 (2004). ABSTRACT

"No activation barrier synthetic route of glycine from simple molecules (NH₃, CH₂, and CO₂) via carboxylation of ammonium ylide: a theoretical study by the scaled hypersphere search method." S. Maeda and K. Ohno. Chem Phys Lett 398:240-244 (2004). ABSTRACT

"Tentative detection of micron-sized forsterite grains in the proto-planetary disk surrounding HD 100453." B. Vandenbussche, C. Dominik, M. Min, R. van Boekel, L. B. F. M. Waters, 2, G. Meeus, and A. de Koter. A&A 427:519-523 (2004). ABSTRACT

"Submillimeter Array Observations of CS J = 14-13 Emission from the Evolved Star IRC +10216." K. H. Young and 27 co-authors. ApJ 616:L19-L22 (2004). ABSTRACT

"Organic Molecules in Low-Mass Protostellar Hot Cores: Submillimeter Imaging of IRAS 16293-2422." Y.-J. Kuan, H.-C. Huang, S. B. Charnley, N. Hirano, S. Takakuwa, D. J. Wilner, S-Y Liu, N. Ohashi, T. L. Bourke, C. Qi, and Q. Zhang. ApJ 616:L47-L50 (2004). ABSTRACT

"Submillimeter Observations of Titan: Global Measures of Stratospheric Temperature, CO, HCN, HC₃N, and the Isotopic Ratios ¹²C/¹³C and ¹⁴N/¹⁵N." M. A. Gurwell. ApJ 616:L59-L62 (2004). ABSTRACT

"Submillimeter Array Multiline observations of the Massive Star-forming region IRAS 18089-1732." H. Beuther, Q. Zhang, T. R. Hunter, T. K. Sridharan, J.-H. Zhao, P. Sollins, P. T. P. Ho, S.-Y. Liu, N. Ohashi, Y. N. Su, and J. Lim. ApJ 616:L71-L74 (2004). ABSTRACT

"Optical Properties of Composite Interstellar Grains: A Morphological Analysis." M. A. Iatì, A. Giusto, R. Saija, F. Borghese, P. Denti, C. Cecchi-Pestellini, and S. Aiello. ApJ 615:286-299 (2004). ABSTRACT

"Methane Abundance Variations toward the Massive Protostar NGC 7538 IRS 9." A. C. A. Boogert, G. A. Blake, and K. Öberg. ApJ 615:344-353 (2004). ABSTRACT

"Complex Molecules in the Hot Core of the Low-Mass Protostar NGC 1333 IRAS 4A." S. Bottinelli, C. Ceccarelli, B. Lefloch, J. P. Williams, A. Castets, E. Caux, S. Cazaux, S. Maret, B. Parise, and A. G. G. M. Tielens. ApJ 615:354-358 (2004). ABSTRACT

"The Slowly Expanding Envelope of CRL 618 Probed with HC₃N Rotational Ladders." J. R. Pardo, J. Cernicharo, J. R. Goicoechea, and T. G. Phillips. ApJ 615:495-505 (2004). ABSTRACT

"The Pure Rotational Line Emission of Ortho-Water Vapor in Comets. I. Radiative Transfer Model." F. Bensch and E. A. Bergin. ApJ 615:531-544 (2004). ABSTRACT

"Spectroscopy and structure of hibonite, grossite, and CaAl2O4: Implications for astronomical environments." A. M. Hofmeister, B. Wopenka, and A. J. Locock. Geochim Cosmochim Acta 68:4485-4503 (2004). ABSTRACT

"PAHs in circumstellar disks around Herbig Ae/Be stars." E. Habart, A. Natta, and E. Krügel. A&A 427:179-192 (2004). ABSTRACT

"ISO observations of the Galactic center interstellar medium - Neutral gas and dust." N. J. Rodríguez-Fernández, J. Martín-Pintado, A. Fuente, and T. L. Wilson. A&A 427:217-229 (2004). ABSTRACT

"Detection of the Linear Radical HC₄N in IRC+10216." J. Cernicharo, M. Guélin, and J. R. Pardo. ApJ 615:L145-L148 (2004). ABSTRACT

"Polycyclic Aromatic Hydrocarbon Ionization Energy Lowering in Water Ices." M. S. Gudipati and L. J. Allamandola. ApJ 615:L177-L180 (2004). ABSTRACT

"Grain growth and dust settling in a brown dwarf disk. Gemini/T-ReCS observations of CFHT-BD-Tau 4." D. Apai, I. Pascucci, M. F. Sterzik, N. van der Bliek, J. Bouwman, C. P. Dullemond, and T. Henning. A&A 426:L53-L57 (2004). ABSTRACT

"Mapping ices in protostellar environments on 1000 AU scales. Methanol-rich ice in the envelope of Serpens SMM 4." K. M. Pontoppidan, E. F. van Dishoeck, and E. Dartois. A&A 426:925-940 (2004) . ABSTRACT

"Infrared emission studies of the A Σ^- - X Π electronic transition of the SiC radical." M. N. Deo and K. Kawaguchi. J Mol Spectrosc 228:76-82 (2004). ABSTRACT

"Detection of the SiNC radical in IRC+10216." M. Guélin, S. Muller, J. Cernicharo, M. C. McCarthy, and P. Thaddeus. A&A 426:L49-L52 (2004). ABSTRACT

"The quest for C₂N in space. A search with the IRAM 30 m telescope towards IRC+10216." G. W. Fuchs, U. Fuchs, T. F. Giesen, and F. Wyrowski. A&A 426:517-521 (2004). ABSTRACT

"Thioxoethenylidene C₂S: A matrix-spectroscopic study." G. Maier, H. P. Reisenauer, and R. Ruppel. Eur J Org Chem 20:4197-4204 (2004). ABSTRACT

"Studies of Extragalactic Formaldehyde and Radio Recombination Lines." E. Araya, W. A. Baan, and P. Hofner. ApJS 154:541-552 (2004). ABSTRACT

"Spectroscopic identification of the CO-H₂O 2-1 cluster trapped in an argon matrix." H. Abe and K. M. T. Yamada. J Chem Phys 121:7803-7812 (2004). ABSTRACT

"Ab initio rate constants from hyperspherical quantum scattering: Application to H + C₂H₆ and H + CH₃OH." B. Kerkeni and D. C. Clary. J Chem Phys 121:6809-6821 (2004). ABSTRACT

"Crossed beams study of the reaction ¹CH₂ + C₂H₂ → C₃H₃ + H." H. F. Davis, J. Shu, D. S. Peterka, and M. Ahmed. J Chem Phys 121:6254-6257 (2004). ABSTRACT

"The Impact of Deuteration on the Infrared Spectra of Interstellar Polycyclic Aromatic Hydrocarbons." D. M. Hudgins, C. W. Bauschlicher, Jr., and S. A. Sandford. ApJ 614:770-780 (2004). ABSTRACT

"Laboratory Experiments on Rotation and Alignment of the Analogs of Interstellar Dust Grains by Radiation." M. M. Abbas, P. D. Craven, J. F. Spann, D. Tankosic, A. LeClair, D. L. Gallagher, E. A. West, J. C. Weingartner, W. K. Witherow, and A. G. G. M. Tielens. ApJ 614:781-795 (2004). ABSTRACT

"Conversion of H₂CO to CH₃OH by Reactions of Cold Atomic Hydrogen on Ice Surfaces below 20 K." H. Hidaka, N. Watanabe, T. Shiraki, A. Nagaoka, and A. Kouchi. ApJ 614:1124-1131 (2004). ABSTRACT

"Ionization of Molecular Hydrogen." X. Liu and D. E. Shemansky. ApJ 614:1132-1142 (2004). ABSTRACT

"Formation of Silicon Analogues of Thio-isocyanic Acid, HNSiS, and Its Isomers by Neutral-Neutral Reactions of the Fragments: A Computational Study." P. Raghunath, K. Bhanuprakash, and R. Srinivas. J Phys Chem A 108:9218-9225 (2004). ABSTRACT

"Probing Pre-Protostellar Cores with Formaldehyde." K. E. Young, J.-E. Lee, N. J. Evans II, P. F. Goldsmith, and S. D. Doty. ApJ 614:252-266 (2004). ABSTRACT

"Electron Abundance in Protostellar Cores." P. Padoan, K. Willacy, W. Langer, and M. Juvela. ApJ 614:203-210 (2004). ABSTRACT

"Laboratory Transition Frequencies for Millimeter-Wave Lines of Vibrationally Excited HC₇N." L. Bizzocchi and C. D. Esposti. ApJ 614:518-524 (2004). ABSTRACT

"Role of Surface Relaxation in the Eley-Rideal Formation of H₂ on a Graphite Surface." S. Morisset, F. Aguillon, M. Sizun, and V. Sidis. J Phys Chem A 108:8571-8579 (2004). ABSTRACT

"Theoretical Reaction Dynamics Study of the Effect of Vibrational Excitation of CO on the OH + CO → H + CO₂ Reaction." R. Valero and G.-J. Kroes. J Phys Chem A 108:8672-8681 (2004). ABSTRACT

"First infrared spectroscopic characterization of the disilyl (Si₂H₅) and d5-disilyl (Si₂D₅) radicals in low temperature silane matrices." D. Sillars, C. J. Bennett, Yoshihiro Osamura, and R. I. Kaiser. Chem Phys 305:141-153 (2004). ABSTRACT

"Possible molecular hydrogen formation mediated by the inner and outer carbon atoms of typical PAH cations." M. Hirama, T. Tokosumia, T. Ishida, and J.-I. Aihara. Chem Phys 305:307-316 (2004). ABSTRACT

"Electronic absorption spectra of PAHs up to vacuum UV. Towards a detailed model of interstellar PAH photophysics." G. Malloci, G. Mulas, and C. Joblin. A&A 426:105-117 (2004). ABSTRACT

"Deuterated hydrogen chemistry: partition functions, equilibrium constants and transition intensities for the H₃⁺ system." P. Monaco, J. Ramanlal, and J. Tennyson. MNRAS 354:161-168 (20040. ABSTRACT

"A New Probe of the Planet-forming Region in T Tauri Disks." E. Bergin, N. Calvet, M. L. Sitko, H. Abgrall, P. D'Alessio, G. J. Herczeg, E. Roueff, C. Qi, D. K. Lynch, R. W. Russell, S. M. Brafford, and R. B. Perry. ApJ 614:L133-L136 (2004). ABSTRACT

"Hydrocarbon Dust Absorption in Seyfert Galaxies and Ultraluminous Infrared Galaxies." R. E. Mason, G. Wright, Y. Pendleton, and A. Adamson. ApJ 613:770-780 (2004). ABSTRACT

"Polycyclic Aromatic Hydrocarbons as a Tracer of Star Formation?" E. Peeters, H. W. W. Spoon, and A. G. G. M. Tielens. ApJ 613:986-1003 (2004). ABSTRACT

"Dissociative Recombination of Nitrile Ions: DCCCN⁺ and DCCCND⁺." W. D. Geppert, A. Ehlerding, F. Hellberg, J. Semaniak, F. Österdahl, M. Kaminska, A. Al-Khalil, V. Zhaunerchyk, R. Thomas, M. af Ugglas, A. Källberg, A. Simonsson, and M. Larsson. ApJ 613:1302-1309 (2004). ABSTRACT

"Theoretical Investigation of Gas-Phase Thermal Reactions between Carbon Monoxide and Water." S.-W. Hu, S.-M. Lü, and X.-Y. Wang. J Phys Chem A 108:8485-8494 (2004). ABSTRACT

"Organic molecules in protoplanetary disks around T Tauri and Herbig Ae stars." W.-F. Thi, G.-J. van Zadelhoff, and E. F. van Dishoeck. A&A 425:955-972 (2004). ABSTRACT

"Influence of UV radiation from a massive YSO on the chemistry of its envelope." P. Stäuber, S. D. Doty, E. F. van Dishoeck, J. K. Jørgensen, and A. O. Benz. A&A 425:577-589 (2004). ABSTRACT

"Millimeter-wave spectroscopy of HC₅N in vibrationally excited states below 500 cm^{-1 K. M. T. Yamada, C. Degli Esposti, P. Botschwina, P. Förster, L. Bizzocchi, S. Thorwirth, and G. Winnewisser. A&A 425:767-772 (2004). ABSTRACT}

"Fluorescence spectra of Titan tholins: in-situ detection of astrobiologically interesting areas on Titan's surface." R. Hodyss, G. McDonald, N. Sarker, M. A. Smith, P. M. Beauchamp, and J. L. Beauchamp. Icarus 171:525-530 (2004). ABSTRACT

"Modeling the Astronomical Silicate Mineralogy: On the Effects of Grain Temperature." M. Li, G. Zhao, and A. Li. ApJ 613:L145-L148 (2004). ABSTRACT

"The Anomalous ¹⁴N/¹⁵N Ratio in Comets 122P/1995 S1 (de Vico) and 153P/2002 C1 (Ikeya-Zhang)." E. Jehin, J. Manfroid, A. L. Cochran, C. Arpigny, J.-M. Zucconi, D. Hutsemékers, W. D. Cochran, M. End , and R. Schulz. ApJ 613:L161-L164 (2004). ABSTRACT

"The emissivity of dust grains in spiral galaxies." P. B. Alton, E. M. Xilouris, A. Misiriotis, K. M. Dasyra, and M. Dumke. A&A 425:109-120 (2004). ABSTRACT

"New Infrared Emission Features and Spectral Variations in NGC 7023." M. W. Werner, K. I. Uchida, K. Sellgren, M. Marengo, K. D. Gordon, P. W. Morris, J. R. Houck, and J. A. Stansberry. ApJS 154:309 (2004). ABSTRACT

"Fire and Ice: Spitzer Infrared Spectrograph (IRS) Mid-Infrared Spectroscopy of IRAS F00183-7111." H. W. W. Spoon, L. Armus, J. Cami, A. G. G. M. Tielens, J. E. Chiar, E. Peeters, J. V. Keane, V. Charmandaris, P. N. Appleton, H. I. Teplitz, and M. J. Burgdorf. ApJS 154:184-187 (2004). ABSTRACT

"Mid-Infrared IRS Spectroscopy of NGC 7331: A First Look at the Spitzer Infrared Nearby Galaxies Survey (SINGS) Legacy." J. D. T. Smith, D. A. Dale, L. Armus, B. T. Draine, D. J. Hollenbach, H. Roussel, G. Helou, R. C. Kennicutt, Jr., A. Li, G. J. Bendo, D. Calzetti, C. W. Engelbracht, K. D. Gordon, T. H. Jarrett, L. Kewley, C. Leitherer, S. Malhotra, M. J. Meyer, E. J. Murphy, M. W. Regan, G. H. Rieke, M. J. Rieke, M. D. Thornley, F. Walter, and M. G. Wolfire. ApJS 154:199-203 (2004). ABSTRACT

"Spitzer Space Telescope Spectroscopy of Ices toward Low-Mass Embedded Protostars." A. C. A. Boogert, K. M. Pontoppidan, F. Lahuis, J. K. Jørgensen, J.-C. Augereau, G. A. Blake, T. Y. Brooke, J. Brown, C. P. Dullemond, N. J. Evans II, V. Geers, M. R. Hogerheijde, J. Kessler-Silacci, C. Knez, P. Morris, A. Noriega-Crespo, F. L. Schöier, E. F. van Dishoeck, L. E. Allen, P. M. Harvey, D. W. Koerner, L. G. Mundy, P. C. Myers, D. L. Padgett, A. I. Sargent, and K. R. Stapelfeldt. ApJS 154:359-362 (2004). ABSTRACT

"ISO Spectroscopy of Gas and Dust: From Molecular Clouds to Protoplanetary Disks." E. F. van Dishoeck. Annu Rev Astro Astrophys 42:119-167 (2004). ABSTRACT

"Rotational energy transfer in collisions between CO(X ¹Σ⁺, ν = 2, J = 0, 1, 4, and 6) and He at temperatures from 294 to 15 K." D. Carty, A. Goddard, I. R. Sims, and I. W. M. Smith. J Chem Phys 121:4671-4683 (2004). ABSTRACT

"Rotationally Resolved Infrared Spectroscopy of the Hydroxymethyl Radical (CH₂OH)." L. Feng, J. Wei, and H. Reisler. J Phys Chem A 108:7903-7908 (2004). ABSTRACT

"The Nonthermal Rotational Distribution of H₃+." T. Oka and E. Epp. ApJ 613:349-354 (2004). ABSTRACT

"Models of Chemistry, Thermal Balance, and Infrared Spectra from Intermediate-Aged Disks around G and K Stars." U. Gorti and D. Hollenbach. ApJ 613:424-447 (2004). ABSTRACT

"Molecular Line Opacity of LiCl in the Mid-Infrared Spectra of Brown Dwarfs." P. F. Weck, A. Schweitzer, K. Kirby, P. H. Hauschildt, and P. C. Stancil. ApJ 613:567-571 (2004). ABSTRACT

"Carbon-Chain Oxides in Proton-Irradiated CO Ice Films." A. Trottier and R. L. Brooks. ApJ 612:1214-1221 (2004). ABSTRACT

"Low-Temperature Reactions of OH Radicals with Propene and Isoprene in Pulsed Laval Nozzle Expansions." T. Spangenberg, S. Köhler, B. Hansmann, U. Wachsmuth, a. Bernd Abel. J Phys Chem A 108:7527-7534 (2004). ABSTRACT

"Performance of Density Functionals for Calculating Barrier Heights of Chemical Reactions Relevant to Astrophysics." S. Andersson and M. Grüning. J Phys Chem A 108:7621-7636 (2004). ABSTRACT

"The chemistry of multiply deuterated species in cold, dense interstellar cores." H. Roberts, E. Herbst, and T. J. Millar. A&A 424:905-917 (2004). ABSTRACT

"Green Bank Telescope Observations of Interstellar Glycolaldehyde: Low-Temperature Sugar." J. M. Hollis, P. R. Jewell, F. J. Lovas, and A. Remijan. ApJ 613:L45-L48 (2004). ABSTRACT

"Rate Constant for the Reaction H + C₂H₅ at T = 150-295 K." A. S. Pimente, W. A. Payne, F. L. Nesbitt, R. J. Cody, and L. J. Stief. J Phys Chem A 108:7204-7210 (2004). ABSTRACT

"Ab Initio Study of the Photochemistry of c-C₂H₂Si." M. Takahashi and K. Sakamoto. J Phys Chem A 108:7301-7305 (2004). ABSTRACT

"Imaging chemical differentiation around the low-mass protostar L483-mm." J. K. Jørgensen. A&A 424:589-601 (2004). ABSTRACT

"Using laboratory studies of CO-H₂O ices to understand the non-detection of a 2152 cm^-1 (4.647 μm) band in the spectra of interstellar ices." H. J. Fraser, M. P. Collings, J. W. Dever, and M. R. S. McCoustra. MNRAS 353:59-68 (2004). ABSTRACT

"The Profiles of the 3-12 Micron Polycyclic Aromatic Hydrocarbon Feature." B. van Diedenhoven, E. Peeters, C. Van Kerckhoven, S. Hony, D. M. Hudgins, L. J. Allamandola, and A. G. G. M. Tielens. ApJ 611:928-939 (2004). ABSTRACT

"Sublimating components in the coma of comet C/2000 WM₁ (LINEAR)." G. P. Tozzi, L. M. Lara, L. Kolokolova, H. Boehnhardt, J. Licandro, and R. Schulz. A&A 424:325-330 (2004). ABSTRACT

"Oscillator strengths for transitions to Rydberg levels in ¹²C¹⁶O, ¹³C¹⁶O and ¹³C¹⁸O between 967 and 972 Å." M. Eidelsberg, J. L. Lemaire, J. H. Fillion, F. Rostas, S. R. Federman, and Y. Sheffer. A&A 424:355-361 (2004). ABSTRACT

"Diffuse interstellar medium organic polymers. Photoproduction of the 3.4, 6.85 and 7.25 μm features." E. Dartois, G. M. Muñoz Caro , D. Deboffle, and L. d'Hendecourt. A&A 423:L33-L36 (2004). ABSTRACT

"Optical data of meteoritic nano-diamonds from far-ultraviolet to far-infrared wavelengths." H. Mutschke, A. C. Andersen, C. Jäger, T. Henning, and A. Braaz. A&A 423:983-993 (2004). ABSTRACT

"Ultraviolet Absorption in Amorphous Carbons: Polycyclic Aromatic Hydrocarbons and the 2175 Å Extinction Feature." W. W. Duley and S. Lazarev. ApJ 612:L33-L35 (2004). ABSTRACT

"Discovery of Crystalline Silicates in Comet C/2001 Q4 (NEAT)." D. H. Wooden, C. E. Woodward, and D. E. Harker. ApJ 612:L77-L80 (2004). ABSTRACT

"Spectro-imaging observations of Jupiter's 2-small μm auroral emission. I. H₃⁺ distribution and temperature." E. Raynaud, E. Lellouch, J.-P. Maillard, G. R. Gladstone, J. H. Waite, Jr., B. Bézard, P. Drossart, and T. Fouchet. Icarus 171:133-152 (2004). ABSTRACT

"Updated Galileo probe mass spectrometer measurements of carbon, oxygen, nitrogen, and sulfur on Jupiter." M. H. Wong, P. R. Mahaffy, S. K. Atreya, H. B. Niemann, and T. C. Owen. Icarus 171:152-170 (2004). ABSTRACT

"Impact of electron chemistry on the structure and composition of Io's atmosphere." W. H. Smyth and M. C. Wong. Icarus 171:171-182 (2004). ABSTRACT

"Products of meteoric metal ion chemistry within planetary atmospheres. 1. Mg⁺ at Titan." S. Petrie. Icarus 171:199-209 (2004). ABSTRACT

"Infrared emission spectroscopy of a new ²Σ-²Σ system of TiCl." R. S. Ram and P. F. Bernath. Mol Spectrosc 227:43-49 (2004). ABSTRACT

"Temperature dependence of pressure broadening of NH₃ perturbed by H₂ and N₂." S. Nouri, J. Orphal, H. Aroui, and J.-M. Hartmann. Mol Spectrosc 227:60-66 (2004). ABSTRACT

"Chemical composition of Titan's haze: Are PAHs present?" M. G. Trainer, A. A. Pavlov, J. L. Jimenez, C. P. McKay, D. R. Worsnop, O. B. Toon, and M. A. Tolbert. Geophys Res Lett 31:L17S08 (2004). ABSTRACT

"Spatially-resolved spectroscopy at 1.6 μm of Titan's atmosphere and surface." M. Ádámkovics, I. de Pater, H. G. Roe, S. G. Gibbard, and C. A. Griffith. Geophys Res Lett 31, L17S05 (2004). ABSTRACT

"SiC₃N: A Promising Interstellar Molecule with Stable Cyclic Isomers." H. Liu, X. Huang, G. Chen, Y. Ding, and C. Sun. J Phys Chem A 108:6919-6927 (2004). ABSTRACT

"Molecular Hydrogen Formation on Dust Grains in the High-Redshift Universe." S. Cazaux and M. Spaans. ApJ 611:40-51 (2004). ABSTRACT

"Jupiter Formed with More Tar than Ice." K. Lodders. ApJ 611:587-597 (2004). ABSTRACT

"The Gas-Phase Formation of Methyl Formate in Hot Molecular Cores." A. Horn, H. Møllendal, O. Sekiguch, E. Uggerud, H. Roberts, E. Herbst, A. A. Viggiano, and T. D. Fridgen. ApJ 611:605-614 (2004). ABSTRACT

"Precise Laboratory Frequencies for the J ← J - 1 (J = 1, 2, 3, 4) Rotational Transitions of ¹³CO." G. Cazzoli, C. Puzzarini, and A. V. Lapinov. ApJ 611:615-620 (2004). ABSTRACT

"Flowing Afterglow Studies of the Temperature Dependencies for Dissociative Recombination of O₂⁺, CH₅⁺, C₂H₅⁺, and C₆H₇⁺ with Electrons." J. L. McLain, V. Poterya, C. D. Molek, L. M. Babcock, and N. G. Adams. J Phys Chem A 108:6704-6708 (2004). ABSTRACT

"Organic matter in Seyfert 2 nuclei: Comparison with our Galactic center lines of sight." E. Dartois, O. Marco, G. M. Muñoz-Caro, K. Brooks, 2, D. Deboffle, and L. d'Hendecourt. A&A 423:549-558 (2004). ABSTRACT

"Potential energy surface and spectroscopic parameters of X ³Σ^- CNN." V. V. Melnikov and P. Jensen. Chem Phys Lett 394:171-175 (2004). ABSTRACT

"Electron attachment to interstellar grains." D. R. Flower and M. J. Middleton. MNRAS 352:837-840 (2004). ABSTRACT

"Theoretical Investigation of OCN^- Charge-Transfer Complexes in Condensed-Phase Media: Spectroscopic Properties in Amorphous Ice." J.-Y. Park and D. E. Woon. J Phys Chem A 108:6589-6598 (2004). MRI ABSTRACT

"Vibrational spectra and UV photochemistry of (CH₂)₂O thin films and (CH₂)₂O in amorphous water ice." A. Schriver, J. M. Coanga, L. Schriver-Mazzuoli, and P. Ehrenfreund. Chem Phys 303:13-25 (2004). ABSTRACT

"Reaction of the C₃ carbon cluster with benzene." J. Szczepanski, H. Wang, and M. Vala. Chem Phys 303:165-177 (2004). ABSTRACT

"The Rotational Excitation Temperature of the λ6614 Diffuse Interstellar Band Carrier." J. Cami, F. Salama, J. Jiménez-Vicente, G. A. Galazutdinov, and J. Krełowski. ApJ 611:L113-L116 (2004). ABSTRACT

"Suggestions for an interstellar C₅H₂ search." S. Chandra and S. A. Shinde. A&A 423:235-239 (2004). ABSTRACT

"Models of gas-grain chemistry in interstellar cloud cores with a stochastic approach to surface chemistry." T. Stantcheva and E. Herbst. A&A 423:241-251 (2004). ABSTRACT

"Interstellar diazenylium recombination and nitrogen isotopic fractionation." S. D. Rodgers and S. B. Charnley. MNRAS 352:600-604 (2004). ABSTRACT

"The Submillimeter Spectrum of CrH and CrD (X ⁶Σ⁺." D. T. Halfen and L. M. Ziurys. ApJ 611:L65-L68 (2004). ABSTRACT

"Dissociative Recombination of S¹⁸O₂⁺: Evidence for Three-Body Breakup." W. D. Geppert, F. Hellberg, A. Ehlerding, J. Semaniak, F. Österdahl, M. Kaminska, V. Zhaunerchyk, A. Al-Khalili, M. af Ugglas, R. Thomas, A. Källberg, and M. Larsson. ApJ 610:1228-1233 (2004). ABSTRACT

"Adsorption of CO on amorphous water-ice surfaces." A. Al-Halabi, H. J. Fraser, G. J. Kroes, and E. F. van Dishoeck. A&A 422:777-791 (2004). ABSTRACT

"Direct observation of the metamorphism of silicon oxide grains." K. Kamitsuji, S. Ueno, H. Suzuki, Y. Kimura, T. Sato, T. Tanigaki, O. Kido, M. Kurumada and C. Kaito. A&A 422:975-979 (2004). ABSTRACT

"Ground state spectrum of methylcyanide." M. Simecková, S. Urban, U. Fuchs, F. Lewen, G. Winnewisser, I. Morino, and K. M. T. Yamada. J Mol Spectrosc 226:123-136 (2004). ABSTRACT

"Hydrogen peroxide on Mars: evidence for spatial and seasonal variations." Th. Encrenaz, B. Bézard, T. K. Greathouse, M. J. Richter, J. H. Lacy, S. K. Atreya, A. S. Wong, S. Lebonnois, F. Lefèvre, and F. Forget. Icarus 170:424-429 (2004). ABSTRACT

"Io's volcanic control of Jupiter's extended neutral clouds." M. Mendillo, J. Wilson, J. Spencer, and John Stansberry. Icarus 170:430-442 (2004). ABSTRACT

"The rotational excitation of methanol by para-hydrogen." J. T. Pottage, D. R. Flower, and Stephen L. Davis. MNRAS 352:39-43 (2004). ABSTRACT

"Water ice on the surface of the large TNO 2004 DW." S. Fornasier, E. Dotto, M. A. Barucci, and C. Barbieri. A&A 422:L43-L46 (2004). ABSTRACT

"Methanol as a diagnostic tool of interstellar clouds. I. Model calculations and application to molecular clouds." S. Leurini, P. Schilke, K. M. Menten, D. R. Flower, J. T. Pottage, and L.-H. Xu. A&A 422:573-585 (2004). ABSTRACT

"Probing the inner wind of AGB stars: Interferometric observations of SiO millimetre line emission from the oxygen-rich stars R Dor and L2 Pup." F. L. Schöier, H. Olofsson, T. Wong, M. Lindqvist, and F. Kerschbaum. A&A 422:651-663 (2004). ABSTRACT

"Gas and dust in Comet C/2000 WM1 during its closest approach to Earth: Optical imaging and long-slit spectroscopy." L.-M. Lara, G. P. Tozzi, H. Boehnhardt, M. DiMartino, and R. Schulz. A&A 422:717-729 (2004). ABSTRACT

"The Upper Limit for CH₄ in the Protostellar Disk toward HL Tauri." E. L. Gibb , T. Rettig, S. Brittain, R. Haywood, T. Simon, and C. Kulesa. ApJ 610:L113-L116 (2004). ABSTRACT

"Adaptive Optics Nulling Interferometric Constraints on the Mid-Infrared Exozodiacal Dust Emission around Vega." W. M. Liu, P. M. Hinz, W. F. Hoffmann, G. Brusa, F. Wildi, D. Miller, M. Lloyd-Hart, M. A. Kenworthy, P. C. McGuire, and J. R. P. Angel. ApJ 610:L125-L128 (2004). ABSTRACT

"Theoretical study of the reaction of the ethynyl radical with ammonia (C₂H + NH₃): hydrogen abstraction versus condensation." H. M. T. Nguyen, S. A. Carla, J. Peeters and M. T. Nguyen. Phys Chem Chem Phys 6:4111-4117 (2004). ABSTRACT

"Raman spectroscopy of ion-irradiated interplanetary carbon dust analogues." G. A. Baratta, V. Mennella, J. R. Brucato, L. Colangeli, G. Leto, M. E. Palumbo, and G. Strazzulla. J Raman Spectrosc 35:487-496 (2004). ABSTRACT

"Comparative micro-Raman study of the Nakhla and Vaca Muerta meteorites." F. Rull, J. Martinez-Frias, A. Sansano, J. Medina, and H. G. M. Edwards. J Raman Spectrosc 35:497-503 (2004). ABSTRACT

"Mineralogy of a Martian meteorite as determined by Raman spectroscopy." A. Wang, K. Kuebler, B. Jolliff, and L. A. Haskin. J Raman Spectrosc 35:504-514 (2004). ABSTRACT

"Micro-Raman spectroscopy: a valuable tool for the investigation of extraterrestrial material." R. Hochleitner, N. Tarcea, G. Simon, W. Kiefer, and J. Popp. J Raman Spectrosc 35:515-518 (2004). ABSTRACT

"Classical trajectory study of the HOCO system using a new interpolated ab initio potential energy surface." R. Valero, M. C. van Hemert, and G.-J. Kroes. Chem Phys Lett 393:236-244 (2004). ABSTRACT

"Ab Initio Study of the Torsional Spectrum of Glycolaldehyde." M. L. Senent. J Phys Chem A 108:6286-6293 (2004). ABSTRACT

"Laboratory measurements of the W band (3.2 mm) properties of phosphine (PH₃) and ammonia (NH₃) under simulated conditions for the outer planets." P. N. Mohammed and P. G. Steffes. J Geophys Res Planets 109:E07S13 (2004). ABSTRACT

"Three-dimensional modeling of ozone on Mars." F. Lefèvre, S. Lebonnois, F. Montmessin, and F. Forget. J Geophys Res Planets 109:E07004 (2004). ABSTRACT

"On the Relative Abundance of C¹⁸O and C¹⁷O in the Taurus Molecular Cloud." E. F. Ladd. ApJ 610:320-328 (2004). ABSTRACT

"A 4-6 GHz Spectral Scan and 8-10 GHz Observations of the Dark Cloud TMC-1." S. V. Kalenskii, V. I. Slysh, P. F. Goldsmith, and L. E. B. Johansson. ApJ 610:329-338 (2004). ABSTRACT

"Injection of molecules from the surfaces of grains into the gas phase chemistry of an expanding cloud." J. G. L. Rae, T. W. Hartquist, and D. A. Williams. A&SS 291:175-182 (2004). ABSTRACT

"Resetting chemical clocks of hot cores based on S-bearing molecules." V. Wakelam, P. Caselli, C. Ceccarelli, E. Herbst, and A. Castets. A&A 422:159-169 (2004). ABSTRACT

"Dynamic model atmospheres of AGB stars. IV. A comparison of synthetic carbon star spectra with observations." R. Gautschy-Loidl, S. Höfner, U. G. Jørgensen, and J. Hron. A&A 422:289-306 (2004). ABSTRACT

"Detections of the 2175 Å Dust Feature at 1.4 ≤ z ≤ 1.5 from the Sloan Digital Sky Survey." J. Wang, P. B. Hall, J. Ge, A. Li, and D. P. Schneider. ApJ 609:589-596 (2004). ABSTRACT

"The Absence of Crystalline Silicates in the Diffuse Interstellar Medium." F. Kemper, W. J. Vriend, and A. G. G. M. Tielens. ApJ 609:826-837 (2004). ABSTRACT

"The Stability of C₆H₆⁺²: The Implication for Polycyclic Aromatic Hydrocarbon Dications." M. Rosi, C. W. Bauschlicher, Jr., and E. L. O. Bakes. ApJ 609:1192-1196 (2004). ABSTRACT

"Does the 3.3 micron polycyclic aromatic hydrocarbon emission feature require ultraviolet excitation?" T. L. Smith, G. C. Clayton, and L. Valencic. AJ 128:357-362 (2004). ABSTRACT

"A theoretical study of the electronic spectra of the SiC₂H radical." J. R. Flores. Chem Phys Lett 392:196-201 (2004). ABSTRACT

"The relationship of CO abundance to extinction and N(H₂): Observations of globules and the dependence on star formation activity." P. Harjunpää, K. Lehtinen, and L. K. Haikala. A&A 421:1087-1099 (2004). ABSTRACT

"On the possible interconversion between pairs of deuterated isotopomers of methanol, its ion, and its protonated ion in star-forming regions." Y. Osamura, H. Roberts, and E. Herbst. A&A 421:1101-1111 (2004). ABSTRACT

"Green Bank Telescope Detection of New Interstellar Aldehydes: Propenal and Propanal." J. M. Hollis, P. R. Jewell, F. J. Lovas, A. Remijan, and H. Møllendal. ApJ 610:L21-L24 (2004). ABSTRACT

"Crystalline Silicate Feature of the Vega-like Star HD 145263." M. Honda, H. Kataza, Y. K. Okamoto, T. Miyata, T. Yamashita, S. Sako, T. Fujiyoshi, M. Ito, Y. Okada, I. Sakon, and T. Onaka. ApJ 610:L49-L52 (2004). ABSTRACT

"HCO⁺ emission excess in bipolar outflows." J. M. C. Rawlings, M. P. Redman, E. Keto, and D. A. Williams. MNRAS 351:1054-1062 (2004). ABSTRACT

"The Unidentified Infrared Bands in the Diffuse Interstellar Medium across the Galaxy Based on the Infrared Telescope in Space Mid-Infrared Spectrometer Observation." I. Sakon, T. Onaka, D. Ishihara, T. Ootsubo, I. Yamamura, T. Tanabé, and T. L. Roellig. ApJ 609:203-219 (2004). ABSTRACT

"Defective Carbon Onions in Interstellar Space as the Origin of the Optical Extinction Bump at 217.5 Nanometers." S. Tomita, M. Fujii, and S. Hayashi. ApJ 609:220-224 (2004). ABSTRACT

"A New Unidentified Far-Infrared Band in NGC 7027." J. R. Goicoechea, J. Cernicharo, H. Masso, and M. L. Senent. ApJ 609:225-230 (2004). ABSTRACT

"Methanol in W3(H₂O) and Surrounding Regions." E. C. Sutton, A. M. Sobolev, S. V. Salii, A. V. Malyshev, A. B. Ostrovskii, and I. I. Zinchenko. ApJ 609:231-242 (2004). ABSTRACT

"Dissociative Recombination of N₂H⁺: Evidence for Fracture of the N-N Bond." W. D. Geppert, R. Thomas, J. Semaniak, A. Ehlerding, T. J. Millar, F. Öterdahl, M. af Ugglas, N. Djuric;, A. Paál, and M. Larsson. ApJ 609:459-464 (2004). ABSTRACT

"Experimental and theoretical study on the spontaneous formation of OCN^- ion: reactivity between HNCO and NH₃/H₂O environment at low temperature." S. Raunier, T. Chiavassa, F. Marinelli, and J.-P. Aycard. Chem Phys 302:259-264 (2004). ABSTRACT

"Reactions of N⁺ ions with benzene: a theoretical study on the C₆NH₆⁺ potential energy surface." M. Di Stefano, M. Rosi, A. Sgamellotti, and F. Negri. Chem Phys 302:295-308 (2004). ABSTRACT

"Effect of non-adiabatic coupling on the isotopic dependence of the photodissociation cross section of CO." L. Andric, F. Bouakline, T. P. Grozdanov, and R. McCarroll. A&A 421:381-386 (2004). ABSTRACT

"Ultraviolet photolysis and proton irradiation of astrophysical ice analogs containing hydrogen cyanide." P. A. Gerakines, M. H. Moore, and R. L. Hudson. Icarus 170:202-213 (2004). ABSTRACT

"Optical alteration of complex organics induced by ion irradiation: 1. Laboratory experiments suggest unusual space weathering trend." L. Moroz, G. Baratta, G. Strazzulla, L. Starukhina, E. Dotto, M. A. Barucci, G. Arnold, and E. Distefano. Icarus 170:214-228 (2004). ABSTRACT

"Tentative identification of pyrene as a polycyclic aromatic molecule in UV spectra of comet P/Halley: An emission from 368 to 384 nm." J. Clairemidi, P. Bréchignac, G. Moreels, and D. Pautet. P&SS 52:761-772 (2004). ABSTRACT

"Pure rotational spectroscopy of potassium chloride, KCl, up to 930 GHz and isotopically invariant analysis of KCl and NaCl." M. Caris, F. Lewen, H. S. P. Müller, and G. Winnewisser. J Mol Struct 695-696:243-251 (2004). ABSTRACT

"Experimental Study of Water-Ice Catalyzed Thermal Isomerization of Cyanamide into Carbodiimide: for Prebiotic Chemistry." F. Duvernay, T. Chiavassa, F. Borget, and J.-P. Aycard. J Am Chem Soc 126:7772-7773 (2004). ABSTRACT

"A theoretical study of the MgNC/MgCN isomerization in the electronic ground state." O. Bludsky, V. Spirko, T. E. Odaka, P. Jensen, and T. Hirano. J Mol Struct 695-696:219-226 (2004). ABSTRACT

"A theoretical study of the millimeterwave spectrum of CH₅⁺." P. R. Bunker, B. Ostojic, and S. Yurchenko. J Mol Struct 695-696:253-261 (2004). ABSTRACT

"The submillimeter wave spectrum of the C₄H₄ isomer vinylacetylene." S. Thorwirth, H. S. P. Müller, H. Lichau, G. Winnewisser, and G. C. Mellau. J Mol Struct 695-696:263-267 (2004). ABSTRACT

"Global analysis of high resolution infrared and rotational spectra of HCCC¹⁵N up to 1335 cm^-1." A. Fayt, C. Vigouroux, F. Willaert, L. Margules, L. F. Constantin, J. Demaison, G. Pawelke, E. B. Mkadmi, and H. Bürger. J Mol Struct 695-696:295-311 (2004). ABSTRACT

"Highly excited symmetry-breaking infrared and THz transitions in methanol-D₁." I. Mukhopadhyay. J Mol Struct 695-696:357-365 (2004). ABSTRACT

"Fourier transform far infrared spectrum of CD₃OD: detailed analysis in the torsional ground state." I. Mukhopadhyay, Y.-B. Duan, and S. Klee. J Mol Struct 695-696:367-378 (2004). ABSTRACT

"Photophysics and photochemistry of water ice films on graphite." J. Bergeld, M. Gleeson, B. Kasemo, and D. Chakarov. J Geophys Res Planets 109:E07S11 (2004). ABSTRACT

"The interstellar N₂ abundance towards HD 124314 from far-ultraviolet observations." D. C. Knauth, B.-G. Andersson, S. R. McCandliss, and H. W. Moos. Nature 429:636-638 (2004). ABSTRACT

"Dynamics of photodissociation of ethylene and its isotopomers at 157 nm: Branching ratios and kinetic-energy distributions." S.-H. Lee, Y. T. Lee, and X. Yang. J Chem Phys 120:10983-10991 (2004). ABSTRACT

"Dynamics of photodissociation of 3,3,3-d₃-propene at 157 nm: Site effect and hydrogen migration." S.-H. Lee, Y. T. Lee, and X. Yang. J Chem Phys 120:10992-10999 (2004). ABSTRACT

"Modelling photoluminescence from small particles. II. Implications for dust rotation and the Extended Red Emission." G. Mulas, G. Malloci, and P. Benvenuti. A&A 420:921-927 (2004). ABSTRACT

"New experimental results on the degradation of polyoxymethylene: Application to the origin of the formaldehyde extended source in comets." N. Fray, Y. Bénilan, H. Cottin, and M.-C. Gazeau. J Geophys Res Planets 109:E07S12 (2004). ABSTRACT

"Temperature-dependent photoabsorption cross sections in the VUV-UV region: Ethylene." C. Y. Robert Wu, F. Z. Chen, and D. L. Judge. J Geophys Res Planets 109:E07S15 (2004). ABSTRACT

"Current state of modeling the photochemistry of Titan's mutually dependent atmosphere and ionosphere." E. H. Wilson and S. K. Atreya. J Geophys Res Planets 109:E06002 (2004). ABSTRACT

"Laboratory studies of formation of molecules on dust grain analogues under ISM conditions." G. Vidali, J. E. Roser, G. Manicó and V. Pirronello. J Geophys Res Planets 109:E07S14 (2004). ABSTRACT

"Detection of Vibrationally Excited Ethyl Cyanide in the Interstellar Medium." David M. Mehringer, J. C. Pearson, Jocelyn Keene, and T. G. Phillips. ApJ 608:306-313 (2004). ABSTRACT

"Ab Initio Direct Trajectory Simulation with Nonadiabatic Transitions of the Dissociative Recombination Reaction HCNH⁺ + e^- →> HNC/HCN + H." T. Taketsugu, A. Tajima, K. Ishii, and T. Hirano. ApJ 608:323-329 (2004). ABSTRACT

"Probing the Early Stages of Low-Mass Star Formation in LDN 1689N: Dust and Water in IRAS 16293-2422A, B, and E." R. Stark, G. Sandell, S. C. Beck, M. R. Hogerheijde, E. F. van Dishoeck, P. van der Wal, F. F. S. van der Tak, F. Schäfer, G. J. Melnick, M. L. N. Ashby, and G. de Lange. ApJ 608:341-364 (2004). ABSTRACT

"Oxygen/Hydrogen Chemistry in the Inner Comae of Active Comets." R. J. Glinski, B. J. Ford, W. M. Harris, C. M. Anderson, and J. P. Morgenthaler. ApJ 608:601-609 (2004). ABSTRACT

"Hydrogen peroxide production by ion irradiation of thin water ice films." O. Gomis, G. Leto, and G. Strazzulla. A&A 420:405-410 (2004). ABSTRACT

"Experimental study of gas phase titanium and aluminum oxide clusters." K. Demyk, D. van Heijnsbergen, G. von Helden, and G. Meijer. A&A 420:547-552 (2004). ABSTRACT

"The nature of molecular cloud material in interplanetary dust." L. P. Keller, S. Messenger, G. J. Flynn, S. Clemett, S. Wirick, and C. Jacobsen. Geochim Cosmochim Acta 68:2577-2589 (2004). ABSTRACT

"Atmospheric photochemistry above possible martian hot spots." A. S. Wong, S. K. Atreya, V. Formisano, T. Encrenaz, and N. I. Ignatiev. Adv Space Res 33:2236-2236 (2004) ABSTRACT

"Molecular Hydrogen in the Ionized Region of Planetary Nebulae." I. Aleman and R. Gruenwald. ApJ 607:865-872 (2004). ABSTRACT

"Interstellar Dust Models Consistent with Extinction, Emission, and Abundance Constraints." V. Zubko, E. Dwek, and R. G. Arendt. ApJS 152:211-249 (2004). ABSTRACT

"Correlations between Crystallite Size, Shape, Surface, and Infrared Spectra Using the Ti-C System." Y. Kimura , A. Ikegami , M. Kurumada , K. Kamitsuji , and C. Kaito. ApJS 152:297-301 (2004). ABSTRACT

"IR spectroscopic study of olivine, enstatite and diopside irradiated with low energy H⁺ and He⁺ ions." K. Demyk, L. d'Hendecourt, H. Leroux, A. P. Jones, and J. Borg. A&A 420:233-243 (2004). ABSTRACT

"The gas and dust coma of Comet C/1999 H1 (Lee)." L.-M. Lara, R. Rodrigo, G. P. Tozzi, H. Boehnhardt, and P. Leisy. A&A 430:371-382 (2004); erratum: 423:1169-1169 (2004). ABSTRACT ERRATUM

"Speckle imaging of Titan at 2 microns: surface albedo, haze optical depth, and tropospheric clouds 1996-1998." S. G. Gibbard, B. Macintosh, D. Gavel, C. E. Max, I. de Pater, H. G. Roe, A. M. Ghez, E. F. Young, and C. P. McKay. Icarus 169:429-439 (2004). ABSTRACT

"Seasonal variation of Titan's stratospheric ethylene (C₂H₄) observed." H. G. Roe, I. de Pater, and C. P. McKay. Icarus 169:440-461 (2004). ABSTRACT

"Disappearance of N₂H⁺ from the gas phase in the class 0 protostar IRAM 04191." A. Belloche and P. André. A&A 419:L35-L38 (2004). ABSTRACT

"Millimeter-wave spectroscopy of rare isotopomers of HC₅N and DC₅N: determination of a mixed experimental--theoretical equilibrium structure for cyanobutadiyne." L. Bizzocchia, C. Degli Esposti, and P. Botschwina. J Mol Spectrosc 225:145-151 (2004). ABSTRACT

"The far-infrared spectrum of the ¹⁴NH radical in its X³Σ^- state." J. Flores-Mijangosa, J. M. Brown, F. Matsushima, H. Odashima, K. Takagi, L. R. Zink, and K. M. Evenson. J Mol Spectrosc 225:189-195 (2004). ABSTRACT

"Using the Ultraviolet and Visible spectrum of Comet 122P/de Vico to Identify the Parent Molecule CS₂." W. M. Jackson, A. Scodinu, D. Xu, and A. L. Cochran. ApJ 607:L139-L141 (2004). ABSTRACT

"The effect of using different scale lengths on the production rates of Comet 46P/Wirtanen." U. Fink and M. R. Combi. P&SS 52:573-580 (2004). ABSTRACT

"Pyrolisis of phosphorylated molecules and survivability limits during the atmospheric passage in earth-like planets." V. Marcano, P. Benitez, J. Campins, P. Matheus, C. Cedeño, N. Falcon, and E. Palacios-Prü. P&SS 52:613-631 (2004). ABSTRACT

"The Formation of Cyanoketene (NCCHCO) and the Isomer NCCCHO from Anionic Precursors in the Gas Phase. The Rearrangement of NCCCHO to NCCHCO." A. M. McAnoy, J. H. Bowie, and S. Dua. J Phys Chem A 108:3994-4001 (2004). ABSTRACT

"C₂H+H₂CO: A new route for formaldehyde removal." H. Dong, Y. Ding, and C. Sun. J Chem Phys 122:204321 (2004). ABSTRACT

"Acetylenic/cyanoacetylenic complexes: simulation of the Titan's atmosphere chemistry." Z. Guennoun, A. Coupeaud, I. Couturier-Tamburelli, N. Piétri, S. Coussan, and J.-P. Aycard. Chem Phys 300:143-151 (2004). ABSTRACT

"Reaction of formaldehyde cation with molecular hydrogen: Effects of collision energy and H₂CO⁺ vibrations." J. Liu and S. L. Anderson. J Chem Phys 120: 8528-8536 (2004). ABSTRACT

"The composition of ices in comet C/1995 O1 (Hale-Bopp) from radio spectroscopy. Further results and upper limits on undetected species." J. Crovisier, D. Bockelée-Morvan, P. Colom, N. Biver, D. Despois, D. C. Lis, and the Team for target-of-opportunity radio observations of comets. A&A 418:1141-1157 (2004). ABSTRACT

"Rapid neutral-neutral reactions at low temperatures: a new network and first results for TMC-1." I. W. M. Smith, E. Herbst, and Q. Chang. MNRAS 350:323-330 (2004). ABSTRACT

"Carbon Dioxide Interactions with Crystalline and Amorphous Ice Surfaces." P. U. Andersson, M. B. Nårård, G. Witt, and J. B. C. Pettersson. J Phys Chem A 108:4627-4631 (2004). ABSTRACT

"Photoionization of Benzene and Small Polycyclic Aromatic Hydrocarbons in Ultraviolet-processed Astrophysical Ices: A Computational Study." D. E. Woon and J.-Y. Park. ApJ 607:342-345 (2004). ABSTRACT

"The Mid-Infrared Laboratory Spectra of Naphthalene (C₁₀H₈) in Solid H₂O." S. A. Sandford, M. P. Bernstein, and L. J. Allamandola. ApJ 607:346-360 (2004). ABSTRACT

"High-Resolution Observations of Methyl Cyanide (CH₃CN) toward the Hot Core Regions W51e1/e2." A. Remijan, E. C. Sutton, L. E. Snyder, D. N. Friedel, S.-Y. Liu, and C.-C. Pei. ApJ 606:917-928 (2004). ABSTRACT

"Rate Coefficient for H⁺ + H₂ (X ¹Σ_g⁺, ν = 0, J = 0) →> H(1s) + H₂⁺ Charge Transfer and Some Cosmological Implications." D. W. Savin, P. S. Krstic, Z. Haiman, and P. C. Stancil. ApJ 606:L167-L170 (2004); erratum 607:L147 (2004). ABSTRACT

"Detection of H₂D⁺: Measuring the Midplane Degree of Ionization in the Disks of DM Tauri and TW Hydrae." C. Ceccarelli, C. Dominik, B. Lefloch, P. Caselli, and E. Caux. ApJ 607:L51-L54 (2004). ABSTRACT

"Precise Rest Frequencies for AlH and AlD (X ¹Σ⁺: A Reassessment of the Aluminum Hyperfine Structure." D. T. Halfen and L. M. Ziurys. ApJ 607:L63-L67 (2004). ABSTRACT

"Ethylene glycol in comet C/1995 O1 (Hale-Bopp)." J. Crovisier, D. Bockelée-Morvan, N. Biver, P. Colom, D. Despois, and D. C. Lis. A&A 418:L35-L38 (2004). ABSTRACT

"Physical-chemical modeling of the low-mass protostar IRAS 16293-2422 ." S. D. Doty1, F. L. Schöier, and E. F. van Dishoeck. A&A 418:1021-1034 (2004). ABSTRACT

"Detection of D₂H⁺ in the Dense Interstellar Medium." C. Vastel, T. G. Phillips, and H. Yoshida. ApJ 606:L127-L130 (2004). ABSTRACT

"Sulfurous acid (H₂SO₃) on Io?" A. F. Voegele, T. Loerting, C. S. Tautermann, A. Hallbrucker, E. Mayer, and K. R. Liedl. Icarus 169:242-249 (2004). ABSTRACT

"The Millimeter- and Submillimeter-Wave Spectrum of Oxiranecarbonitrile." M. Behnke, I. Medvedev, M. Winnewisser, F. C. De Lucia, and E. Herbst. ApJS 152:97-101 (2004). ABSTRACT

"Discovery of Blue Luminescence in the Red Rectangle: Possible Fluorescence from Neutral Polycyclic Aromatic Hydrocarbon Molecules?" U. P. Vijh, A. N. Witt, and K. D. Gordon. ApJ 606:L65-L68 (2004). ABSTRACT

"Global fit of rotational transitions of methyl formate (HCOOCH₃) in the ground and first excited torsional states." K. Ogata, H. Odashima, K. Takagi and S. Tsunekawa. J Mol Spectrosc 225:14-32 (2004). ABSTRACT

"High resolution microwave spectroscopy of the isomeric pair vinylcyanoacetylene and cyanovinylacetylene." S. Thorwirth, M. C. McCarthy, J. B. Dudek, and P. Thaddeus. J Mol Spectrosc 225:93-95 (2004). ABSTRACT

"Vibronic transition moments and line intensities for H₂O⁺." S. Wu, Y. Chen, X. Yang, Y. Guo, Y. Liu, Y. Li, R. J. Buenker, and P. Jensen. J Mol Spectrosc 225:96-106 (2004). ABSTRACT

"On the conformational equilibrium of glycolamide: A free jet millimetre-wave spectroscopy and computational study." A. Maris. Phys Chem Chem Phys 6:2611-2616 (2004). ABSTRACT

"Spectroscopic investigations on cometary molecules CO⁺, CH and CH⁺." R. R. Reddy, Y. N. Ahammed, K. R. Gopal, and D. B. Basha. Journal of Quantitative Spectroscopy and Radiative Transfer 85:105-113 (2004). ABSTRACT

"Matrix-Isolation in Cryogenic Water-Ices: Facile Generation, Storage, and Optical Spectroscopy of Aromatic Radical Cations." M. S. Gudipati. J Phys Chem A 108:4412-4419 (2004). ABSTRACT

"NCCN and NCCCCN Formation in Titan's Atmosphere: 1. Competing Reactions of Precursor HCCN (³A") with H (²S) and CH₃ (²A')." Y. Osamura and S. Petrie. J Phys Chem A 108:3615-3622 (2004). ABSTRACT

"NCCN and NCCCCN Formation in Titan's Atmosphere: 2. HNC as a Viable Precursor." Y. Osamura and S. Petrie. J Phys Chem A 108:3623-3631 (2004). ABSTRACT

"Meteorite composition -- Organic matter in ancient meteorites." M. A. Sephton. Astron Geophys 45:2.08 (2004). ABSTRACT

"No Barrier for the Gas-Phase C₂H + NH₃ Reaction." S. A. Carl, R. M. I. Elsamra, R. M. Kulkarni, H. M. T. Nguyen, and J. Peeters. J Phys Chem A 108:3695-3698 (2004). ABSTRACT

"Rate Coefficients and Kinetic Isotope Effect for the C₂H Reactions with NH₃ and ND₃ in the 104-294 K Temperature Range." B. Nizamov and S. R. Leone. J Chem Phys A 108:3766-3771 (2004). ABSTRACT

"An ab initio study of the equilibrium structure and bonding of FeC₂ and FeC₃ clusters and their anions." M. F. A. Hendrickx and S. Clima. Chem Phys Lett 388:290-296 (2004). ABSTRACT

"Low-energy electron-stimulated chemical reactions of CO in water ice." S. Yamamoto , A. Beniya , K. Mukai , Y. Yamashita and J. Yoshinobu. Chem Phys Lett 388:384-388 (2004). ABSTRACT

"Water Absorption from Line-of-Sight Clouds toward W49A." R. Plume, M. J. Kaufman, D. A. Neufeld, R. L. Snell, D. J. Hollenbach, P. F. Goldsmith, J. Howe, E. A. Bergin, G. J. Melnick, and F. Bensch. ApJ 605:247-258 (2004). ABSTRACT

"Reanalysis of Copernicus Measurements of Interstellar Carbon Monoxide." T. Crenny and S. R. Federman. ApJ 605:278-284 (2004). ABSTRACT

"The Most Stable Structure of SiC₃ Studied by Multireference Perturbation Theory with General Multiconfiguration Self-Consistent Field Reference Functions." Y. Kurashige, H. Nakano, and K. Hirao. J Phys Chem A 108:3064-3067 (2004). ABSTRACT

"Direct ab initio dynamics studies of the reactions of HNO with H and OH radicals." H. M. T. Nguyen, S. Zhang, J. Peeters, T. N. Truong, and M. T. Nguyen. Chem Phys Lett 388:94-99 (2004). ABSTRACT

"On the origin of H₂CO abundance enhancements in low-mass protostars." F. L. Schöier, J. K. Jørgensen, E. F. van Dishoeck, and G. A. Blake. A&A 418:185-202 (2004). ABSTRACT

"H₃⁺ and other species in the diffuse cloud towards ζ Persei: A new detailed model." F. Le Petit, E. Roueff, and E. Herbst. A&A 417:993-1002 (2004). ABSTRACT

"The phase of H₂O ice and the librational band in OH231.8+4.2: new interpretations." M. M. Maldoni, M. P. Egan, G. Robinson, R. G. Smith, and C. M. Wright. MNRAS 349:665-677 (2004). ABSTRACT

"On the Insignificance of Photochemical Hydrocarbon Aerosols in the Atmospheres of Close-in Extrasolar Giant Planets." M.-C. Liang, S. Seager, C. D. Parkinson, A. Y.-T. Lee, and Y. L. Yung. ApJ 605:L61-L64 (2004). ABSTRACT

"Polycyclic Aromatic Hydrocarbons and Crystalline Silicates in the Bipolar Post-Asymptotic Giant Branch Star IRAS 16279-4757." M. Matsuura, A. A. Zijlstra, F. J. Molster, S. Hony, L. B. F. M. Waters, F. Kemper, J. E. Bowey, H. Chihara, C. Koike, and L. P. Keller. ApJ 604:791-799 (2004). ABSTRACT

"The millimeter and submillimeter rotational spectrum of 1,3-dihydroxyacetone." S. L. Widicus, R. Braakman, D. R. Kent IV, and G. A. Blake. J Mol Spectrosc 224:101-106 (2004). ABSTRACT

"The microwave spectrum of the FeS radical." S. Takano, S. Yamamoto, and S. Saito. J Mol Spectrosc 224:137-144 (2004). ABSTRACT

"Laboratory experiments of Titan tholin formed in cold plasma at various pressures: implications for nitrogen-containing polycyclic aromatic compounds in Titan haze." H. Imanaka, B. N. Khare, J. E. Elsila, E. L. O. Bakes, C. P. McKay, D. P. Cruikshank, S. Sugita, T. Matsui, and R. N. Zare. Icarus 168:344-366 (2004). ABSTRACT

"Formation of methane in comet impacts: implications for Earth, Mars, and Titan." M. E. Kress and C. P. McKay. Icarus 168:475-483 (2004). ABSTRACT

"Constraints on the presence of volatiles in Ganymede and Callisto from an evolutionary turbulent model of the Jovian subnebula." O. Mousis and D. Gautier. P&SS 52:361-370 (2004). ABSTRACT

"Hydrogen peroxide formation by ion implantation in water ice and its relevance to the Galilean satellites." O. Gomis, M. A. Satorre, G. Strazzulla, and G. Leto. P&SS 52:371-278 (2004). ABSTRACT

"The far-infrared spectra of Jupiter and Saturn." M. J. Burgdorf, G. S. Orton, T. Encrenaz, G. R. Davis,S. D. Sidher, E. Lellouch, and B. M. Swinyard. P&SS 52:379-383 (2004). ABSTRACT

"Identification of the 10-μm ammonia ice feature on Jupiter." M. H. Wong, G. L. Bjoraker, M. D. Smith, F. M. Flasar. and C. A. Nixon. P&SS 52:385-395 (2004). ABSTRACT

"On the water abundance in the atmosphere of Jupiter." M. Roos-Serote, S. K. Atreya, M. K. Wong, and P. Drossart. P&SS 52:397-414 (2004). ABSTRACT

"Reduction of chemical networks II. Analysis of the fractional ionisation in protoplanetary discs." D. Semenov, D. Wiebe, and T. Henning. A&A 417:93-106 (2004). ABSTRACT

"Carbon budget and carbon chemistry in Photon Dominated Regions." D. Teyssier, D. Foss$eacute;, M. Gerin, J. Pety, A. Abergel, and E. Roueff. A&A 417:135-149 (2004). ABSTRACT

"Infrared matrix isolation and ab initio/DFT studies on carbon monoxide (CO) and hydrazine (N₂H₄) complexes." F. Duvernay, T. Chiavassa, F. Borget, and J. P. Aycard. Chem Phys 298:241-250 (2004). ABSTRACT

"FTIR studies of ultraviolet photo-dissociation at 10 K of dimethyl-ether in argon and nitrogen matrices, in the solid phase and in amorphous water ice." A. Schriver, J. M. Coanga, L. Schriver-Mazzuoli, and P. Ehrenfreund. Chem Phys Lett 386:377-383 (2004). ABSTRACT

"Low-lying electronic states of FeNC and FeCN: A theoretical journey into isomerization and quartet/sextet competition." N. J. DeYonker, Y. Yamaguchi, W. D. Allen, C. Pak, H. F. Schaefer III, and K. A. Peterson. J Chem Phys 120:4726-4741 (2004). ABSTRACT

"Observational approach to molecular cloud evolution." T. Oka, S. Yamamoto, and Mt. Fuji Submillimeter-wave Telescope Group. Adv Space Res 34:519-523 (2004). ABSTRACT

"NIST Recommended Rest Frequencies for Observed Interstellar Molecular Microwave Transitions - 2002 Revision." F. J. Lovas. J Phys Chem Ref Data 33:177-355 (2004). ABSTRACT

"Revised and Updated Thermochemical Properties of the Gases Mercapto (HS), Disulfur Monoxide (S2O), Thiazyl (NS), and Thioxophosphino (PS)." K. Lodders. J Phys Chem Ref Data 33:357-267 (2004). ABSTRACT

"A chemical sequence of macromolecular organic matter in the CM chondrites." H. Naraoka, H. Mita, M. Komiya, S. Yoneda, H. Kojima, and A. Shimoyama. Meteor Planet Sci 39:??? (2004). ABSTRACT

"H₂ Formation on Grain Surfaces." S. Cazaux and A. G. G. M. Tielens. ApJ 604:222-237 (2004). ABSTRACT

"Deuterated Interstellar Polycyclic Aromatic Hydrocarbons." E. Peeters, L. J. Allamandola, C. W. Bauschlicher, Jr., D. M. Hudgins, S. A. Sandford, and A. G. G. M. Tielens. ApJ 604:252-257 (2004). ABSTRACT

"Kinetics of the Reaction of Atomic Hydrogen with Cyanoacetylene from T = 200 to 298K." J. K. Parker, W. A. Payne, R. J. Cody, and L. J. Stief. J Phys Chem A 108:1938-1945 (2004). ABSTRACT

"FTIR and Raman analyses of the Tagish Lake meteorite: Relationship with the aliphatic hydrocarbons observed in the Diffuse Interstellar Medium." G. Matrajt, J. Borg, P. I. Raynal, Z. Djouadi, L. d'Hendecourt, G. Flynn, and D. Deboffle. A&A 416:983-990 (2004). ABSTRACT

"Kinetics of C₂H Reactions with Hydrocarbons and Nitriles in the 104-296 K Temperature Range." B. Nizamov and S. R. Leone. J Phys Chem A 108:1746-1752 (2004). ABSTRACT

"The H₂CO abundance in the inner warm regions of low mass protostellar envelopes." S. Maret, C. Ceccarelli, E. Caux, A. G. G. M. Tielens, J. K. Jørgensen, E. van Dishoeck, A. Bacmann, A. Castets, B. Lefloch, L. Loinard, B. Parise, and F. L. Schöier. A&A 416:577-594 (2004). ABSTRACT

"Molecular inventories and chemical evolution of low-mass protostellar envelopes." J. K. Jørgensen, F. L. Schöier, and E. F. van Dishoeck. A&A 416:603-633 (2004). ABSTRACT

"Molecular complexes theoretical computations between methanol and carbon dioxide and their implications in the interstellar ice mantles." A. Klotz, T. Ward, and E. Dartois. A&A 416:801-810 (2004). ABSTRACT

"Detection of Polarization from the E ⁴Π - A ⁴Π System of FeH in Sunspot Spectra." A. Asensio Ramos, J. Trujillo Bueno, and M. Collados. ApJ 603:L125-L128 (2004). ABSTRACT

"Interstellar Ice: The Infrared Space Observatory Legacy." E. L. Gibb, D. C. B. Whittet, A. C. A. Boogert, and A. G. G. M. Tielens. ApJS 151:35-73 (2004). ABSTRACT

"First detection of triply-deuterated methanol." B. Parise, A. Castets, E. Herbst, E. Caux, C. Ceccarelli, I. Mukhopadhyay, and A. G. G. M. Tielens. A&A 416:159-163 (2004). ABSTRACT

"Tentative identification of urea and formamide in ISO-SWS infrared spectra of interstellar ices." S. Raunier, T. Chiavassa, F. Duvernay, F. Borget, J. P. Aycard, E. Dartois, and L. d'Hendecourt. A&A 416:165-169 (2004). ABSTRACT

"The heat capacity of water ice in interstellar or interplanetary conditions." L. M. Shulman. A&A 416:187-190 (2004). ABSTRACT

"On the internal structure of starless cores. I. Physical conditions and the distribution of CO, CS, N₂H⁺, and NH₃ in L1498 and L1517B." M. Tafalla, P. C. Myers, P. Caselli, and C. M. Walmsley. A&A 416:191-202 (2004). ABSTRACT

"Surface C-H stretching features on meteoritic nanodiamonds." A. P. Jones, L. B. d'Hendecourt, S.-Y. Sheu, H.-C. Chang, C.-L. Cheng, and H. G. M. Hill. A&A 416:235-241 (2004). ABSTRACT

"Enhanced production of HD and D₂ molecules on small dust grains in diffuse clouds." A. Lipshtat, O. Biham, and E. Herbst. MNRAS 348:1055-1064 (2004). ABSTRACT

"The impact of shocks on the chemistry of molecular clouds. High resolution images of chemical differentiation along the NGC 1333-IRAS 2A outflow." J. K. Jørgensen, M. R. Hogerheijde, G. A. Blake, E. F. van Dishoeck, L. G. Mundy, and F. L. Schöier. A&A 415:1021-1037 (2004). ABSTRACT

"The N₃H / N₂H⁺ abundance ratio in dense cores." S. Hotzel, J. Harju, and C. M. Walmsley. A&A 415:1065-1072 (2004). ABSTRACT

"A measurement of the 362 GHz absorption line of Mars atmospheric H₂O₂." R. T. Clancy, J. Sandora, and G. H. Moriarty-Schieven. Icarus 168:116-121 (2004). ABSTRACT

"Reflectance spectra of hydrated Titan tholins at cryogenic temperatures and implications for compositional interpretation of red objects in the outer Solar System." T. L. Roush and J. B. Dalton. Icarus 168:158-162 (2004). ABSTRACT

"Dissociative recombination of the methane family ions: rate coefficients and implications." C. H. Sheehan and J.-P. St. Maurice. Adv Space Res 33:216-220 (2004). ABSTRACT

"The Nitrogen Isotopic Ratio in Jupiter's Atmosphere from Observations by the Composite Infrared Spectrometer on the Cassini Spacecraft." M. M. Abbas, A. LeClair, T. Owen, B. J. Conrath, F. M. Flasar, V. G. Kunde, C. A. Nixon, R. K. Achterberg, G. Bjoraker, D. J. Jennings, G. Orton, and P. N. Romani. ApJ 602:1063-1074 (2004). ABSTRACT

"On the Possible Role of Carbon Chains as Carriers of Diffuse Interstellar Bands." J. P. Maier, G. A. H. Walker, and D. A. Bohlender. ApJ 602:286-290 (2004). ABSTRACT

"A quantitative analysis of OCN^- formation in interstellar ice analogs." F. A. van Broekhuizen, J. V. Keane, and W. A. Schutte. A&A 415:425-436 (2004). ABSTRACT

"Transport processes and chemical evolution in steady accretion disk flows." M. Ilgner, T. Henning, A. J. Markwick, and T. J. Millar. A&A 415:643-659 (2004). ABSTRACT

"Cosmic ray induced explosive chemical desorption in dense clouds." C. J. Shen, J. M. Greenberg, W. A. Schutte and E. F. van Dishoeck. A&A 415:203-215 (2004). ABSTRACT

"Far Ultraviolet Spectroscopic Explorer Observations of G226-29: First Detection of the H₂ Quasi-molecular Satellite at 1150 Å." N. F. Allard, G. Hébrard, J. Dupuis, Chayer, J. W. Kruk, J. Kielkopf, and I. Hubeny. ApJ 601:L183-L186 (2004). ABSTRACT

"Evidence of Icy Grains in Comet C/2002 T7 (LINEAR) at 3.52 AU." H. Kawakita, J.-I. Watanabe, T. Ootsubo, R. Nakamura, T. Fuse, N. Takato, S. Sasaki, and T. Sasaki. ApJ 601:L191-L194 (2004). ABSTRACT

"Near-infrared diode laser spectroscopy of the HCSi radical." M. Fujitake, R. Echizenya, T. Shirai, S. Kurita, and N. Ohashi. J Mol Spectroc 223:113-119 (2004). ABSTRACT

"Cyanoketene: the microwave spectrum and structure of an unstable molecule." M. Hahn, H.-K. Bodenseh, andM. Ferner. J Mol Spectroc 223:138-147 (2004). ABSTRACT

"Origin of cometary extended sources from degradation of refractory organics on grains: polyoxymethylene as formaldehyde parent molecule ." H. oottin, Y. Bénilan, M.-C. Gazeau, and F. Raulin. Icarus: 167:397-416 (2004). ABSTRACT

"Interstellar chemistry recorded by nitrogen isotopes in Solar System organic matter." J. Aléon and F. Robert. Icarus 167:424-430 (2004). ABSTRACT

"The physical and chemical structure of hot molecular cores." H. Nomura and T. J. Millar. A&A 414:409-423 (2004). ABSTRACT

"Some empirical estimates of the H₂ formation rate in photon-dominated regions." E. Habart, F. Boulanger, L. Verstraete, C. M. Walmsley, and G. Pineau des Forets. A&A 414:531-544 (2004). ABSTRACT

"Collisions between carbonaceous grains in the interstellar medium." R. Papoular. A&A 414:573-580 (2004). ABSTRACT

"Optical observations of Comet 67P/Churyumov-Gerasimenko." M. Weiler, H. Rauer, and J. Helbert. A&A 414:749-755 (2004). ABSTRACT

"A Raman study of ion irradiated icy mixtures." G. Ferini, G. A. Baratta, and M. E. Palumbo. A&A 414:757-766 (2004). ABSTRACT

"Complex Organic Matter in Space: About the Chemical Composition of Carriers of the Unidentified Infrared Bands (UIBs) and Protoplanetary Emission Spectra Recorded from Certain Astrophysical Objects." F. Catado, Y. Keheyan, and D. Heymann. Origins Life Evol Biosphere 34:13-24 (2004). ABSTRACT

"Chemical Evolution and Meteorites: An Update." S. Pizzarello. Origins Life Evol Biosphere 34:25-34 (2004). ABSTRACT

"Photochemical Concepts on the Origin of Biomolecular Asymmetry." U. J. Meierhenrich and W. H.-P. Thiemann. Origins Life Evol Biosphere 34:111-121 (2004). ABSTRACT

"A 8.8-50GHz Complete Spectral Line Survey toward TMC-1 I. Survey Data." N. Kaifu, M. Ohishi, K. Kawaguchi, S. Saito, S. Yamamoto, T. Miyaji, K. Miyazawa, S. Ishikawa, C. Noumaru, S. Harasawa, M. Okuda, and H. Suzuki. Publ Astron Soc Japan 56:69-173 (2004). PDF

"Experimental and theoretical study of line mixing in NH₃ spectra. II. Effect of the perturber in infrared parallel bands." S. Hadded, F. Thibault, P.-M. Flaud, H. Aroui, and J. M. Hartmann. J Phys Chem 120:217-223 (2004). ABSTRACT

"Brown Dwarfs - Faint at Heart, Rich in Chemistry." K. Lodders. Science 303:323-324 (2004). (no abstract)

"UV-photoprocessing of interstellar ice analogs: Detection of hexamethylenetetramine-based species." G. M. Muñoz Caro, U. Meierhenrich, W. A. Schutte, W. H.-P. Thiemann and J. M. Greenberg. A&A 413:209-216 (2004). ABSTRACT

"Observational tests for grain chemistry: posterior isotopic labelling." S. B. Charnley, P. Ehrenfreund, T. J. Millar, A. C. A. Boogert, A. J. Markwick, H. M. Butner, R. Ruiterkamp, and S. D. Rodgers. MNRAS 347:157-162 (2004). ABSTRACT

"Experimental study of the formation of molecular hydrogen and carbon dioxide on dust grain analogues." G. Vidali, J. E. Roser, G. Manicò, and V. Pirronello. Adv Space Res 33:6-13 (2004). ABSTRACT

"SURFRESIDE: a novel experiment to study surface chemistry under interstellar and protostellar conditions." H. J. Fraser and E. F. van Dishoeck. Adv Space Res 33:14-22 (2004). ABSTRACT

"Acetaldehyde in star-forming regions ." S. B. Charnley. Adv Space Res 33:23-30 (2004). ABSTRACT

"Searches for interstellar molecules of potential prebiotic importance." Y.-J. Kuan, S. B. Charnley, H.-C. Huang, Z. Kisiel, P. Ehrenfreund, W.-L. Tseng, and C.-H. Yan. Adv Space Res 33:31-39 (2004). ABSTRACT

"The infrared spectrum of matrix isolated aminoacetonitrile, a precursor to the amino acid glycine." M. P. Bernstein, C. W. Bauschlicher, Jr., and S. A. Sandford. Adv Space Res 33:40-43 (2004). ABSTRACT

"Photoionization in ultraviolet processing of astrophysical ice analogs at cryogenic temperatures." D. E. Woon. Adv Space Res 33:44-48 (2004). ABSTRACT

"Infrared and Raman spectroscopies of refractory residues left over after ion irradiation of nitrogen-bearing icy mixtures." M. E. Palumbo, G. Ferini, and G. A. Baratta. Adv Space Res 33:49-56 (2004). ABSTRACT

"An evolutionary connection between interstellar ices and IDPs? Clues from mass spectroscopy measurements of laboratory simulations." J. P. Dworkin, J. S. Gillette, M. P. Bernstein, S. A. Sandford, L. J. Allamandola, J. E. Elsila, D. R. McGlothlin, and R. N. Zare. Adv Space Res 33:67-71 (2004). ABSTRACT

"Stability of interstellar fullerenes under high-dose γ-irradiation." G. Albarrán , V. A. Basiuk , E. V. Basiuk and J. M. Saniger. Adv Space Res 33:72-75 (2004). ABSTRACT

"Prebiotic, planetary and interstellar chemistry starting from compounds detected in the interstellar medium." J.-C. Guillemin, M. Bouyahyi, and E. H. Riague. Adv Space Res 33:81-87 (2004). ABSTRACT

"Circumstellar Calcium Chemistry." S. Petrie. Aust J Chem 57:67-76 (2004). ABSTRACT

"Molecule destruction and formation in molecular clouds." M. D. Smith, G. Pavlovski, M.-M. MacLow, A. Rosen, T. Khanzadyan, R. Gredel, and T. Stanke. A&SS 289:333-336 (2004). ABSTRACT

"Amorphous and crystalline ice on the Galilean satellites: A balance between thermal and radiolytic processes." G. B. Hansen and T. R. McCord. J Geophys Res Planets 109:E01012 (2004). ABSTRACT

"The Lifetimes of Nitriles (CN) and Acids (COOH) during Ultraviolet Photolysis and Their Survival in Space." M. P. Bernstein, S. F. M. Ashbourn, S. A. Sandford, and L. J. Allamandola. ApJ 601:365-370 (2004). ABSTRACT

"On the relation between diffuse bands and column densities of H₂, CH and CO molecules." T. Weselak, G. A. Galazutdinov, F. A. Musaev, and J. Krełowski. A&A 414:949-954 (2004). ABSTRACT

"An estimate of the D/H ratio in Jupiter and Saturn's regular icy satellites - Implications for the Titan Huygens mission." O. Mousis. A&A 414:1165-1168 (2004). ABSTRACT

"Quantum-chemical Modeling of Interstellar Grain Prebiotic Chemistry: Catalytic Synthesis of Glycine and Alanine on the Surface of a Polycyclic Aromatic Hydrocarbon Flake." C. Mendoza, F. Ruette, G. Martorell, and L. S. Rodríguez. ApJ 601:L59-L62 (2004). ABSTRACT

"Computational Confirmation of the Carrier for the "XCN" Interstellar Ice Band: OCN^- Charge Transfer Complexes." J.-Y. Park and D. E. Woon. ApJ 601:L63-L66 (2004). ABSTRACT

"Processing of Presolar Grains around Post-Asymptotic Giant Branch Stars: Silicon Carbide as the Carrier of the 21 Micron Feature." A. K. Speck and A. M. Hofmeister. ApJ 600:986-991 (2004) ABSTRACT

"Combined element (H and C) stable isotope ratios of methane in carbonaceous chondrites." A. L. Butterworth, O. Aballain, J. Chappellaz, and M. A. Sephton. MNRAS 347:807-812 (2004). ABSTRACT

"Molecular parameters for D, E, F, and G-A band systems of the astrophysically significant molecule AlF." K.Balachandra kumar, S. P. Bagare, and N. Rajamanickam. Astrophys Space Sci 289:9-13 (2004). ABSTRACT

"An Accessible Model of Dynamics and Cycle for Interstellar OH and H₂O Maser Associations." H. Liu, J. Sun, and T. Thissen. Astrophys Space Sci 289:147-160 (2004). ABSTRACT

"Dust in brown dwarfs III. Formation and structure of quasi-static cloud layers." P. Woitke and C. Helling. A&A 414:335-350 (2004). ABSTRACT

"Protosolar Carbon Isotopic Composition: Implications for the Origin of Meteoritic Organics." K. Hashizume, M. Chaussidon, B. Marty, and K. Terada. ApJ 600:480-484 (2004). ABSTRACT

"H atom branching ratios from the reactions of CN radicals with C₂H₂ and C₂H₄." N. Choi, M. A. Blitz, K. McKee, M. J. Pilling, and P. W. Seakins. Chem Phys Letts 384:68-72 (2004). ABSTRACT

"Spectroscopic diagnostic for the mineralogy of large dust grains." M. Min, C. Dominik, and L. B. F. M. Waters. A&A 413:L35-L38 (2004). ABSTRACT

"The structure of the NGC 1333-IRAS2 protostellar system on 500 AU scales. An infalling envelope, a circumstellar disk, multiple outflows, and chemistry " J. K. Jorgensen, M. R. Hogerheijde, E. F. van Dishoeck, G. A. Blake, and F. L. Schoier. A&A 413:992-1007 (2004) ABSTRACT

"Laboratory and radio-astronomical spectroscopy of the hyperfine structure of N₂D⁺." L. Dore, P. Caselli, S. Beninati, T. Bourke, P. C. Myers, and G. Cazzoli. A&A 413:1177-1181 (2004). ABSTRACT

"A Chemical Route to the Formation of Water in the Circumstellar Envelopes around Carbon-rich Asymptotic Giant Branch Stars: Fischer-Tropsch Catalysis." K. Willacy. ApJ 600:L87-L90 (2004). ABSTRACT

"First detection of CO in Uranus." T. Encrenaz, E. Lellouch, P. Drossart, H. Feuchtgruber, G. S. Orton, and S. K. Atreya. A&A 413:L5-L9 (2004). ABSTRACT

"Sulphur-bearing species in the star forming region L1689N." V. Wakelam, A. Castets, C. Ceccarelli, B. Lefloch, E. Caux, and L. Pagani. A&A 413:609-622 (2004). ABSTRACT

"Grain photoelectric ionisation rates, heating rates, and charge as functions of visual extinction." J. G. L. Rae, T. W. Hartquist, S. H. Lepp, P. T. O'Neill, and D. A. Williams. A&A 413:1-5 (2004). ABSTRACT