(abstract links go to journal pages; abbreviations are expanded on the JOURNALS link page)

Featured Cover Kaiser & Hansen,An Aromatic Universe - A Physical Chemistry Perspective. J Phys Chem A 125, 3826-3840 (2021)

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Dedicated Journal Issues Acc Chem Res Astrochemistry and Planetary Science 2021 Phys Chem Chem Phys 120(8) Theory, experiment, and simulations in laboratory astrochemistry 2018 Int J Quantum Chem 117(2) Computational Astrochemistry 2017 Faraday Discuss 168 Astrochemistry of Dust, Ice and Gas 2014 Chem Rev 113(12) Astrochemistry 2013 J Phys Chem A 117(39) Oka Festschrift 2013 AIP Conf Proc 1541 Astrochem2012 2013 Phil Trans A 371(1994) Surface Science in the ISM 2013 Phil Trans A 370(1978) Chemistry, Astronomy and Physics of H+ 3 2012 Faraday Discuss 147 Chemistry of the Planets 2010 J Phys Chem A 113(42) Chemistry: Titan Atmosphere 2009 Faraday Discuss 133 Chemical Evolution of the Universe 2006 Publications feartured in the news are indicated with hypertext annotations and this emoticon:  Click here to see the world-wide contributions to astrochemistry.

New Articles Added 16 May 2021
	Sulfuric acid vapor and sulfur dioxide in the atmosphere of Venus as observed by the Venus Express radio science experiment VeRa J. Oschlisniok, B. Häusler, M. Pätzold, S. Tellmann, M. K. Bird, K. Peter, and T. P. Andert Icarus 362, 114405 (2021)
	Optical constants of Pluto aerosol analogues from UV to near-IR L. Jovanović, T. Gautier, L. Broch, S. Protopapa, T. Bertrand, P. Rannou, M. Fayolle, E. Quirico, L. Johann, A. En Naciri, and N. Carrasco Icarus 362, 114398 (2021)
	Including tunneling into the classical cross sections and rate constants for the N(2D) + H2 (v = 0, j = 0) reaction P. Larrégaray and L. Bonnet Theor Chem Accts 140, 61 (2021)
	Atomistic simulations of the free-energy landscapes of interstellar chemical reactions: the case of methyl isocyanate G. Cassone, F. Saija, J. Sponer, J. E. Sponer, A. Jiménez-Escobar, A. Ciaravella, and C. Cecchi-Pestellini MNRAS 504, 1565-1570 (2021)
	Thermal formaldehyde emission in NGC 7538 IRS 1 O. I. Shuvo, E. D. Araya, W. S. Tan, P. Hofner, S. Kurtz, Y. M. Pihlström, and I. M. Hoffman MNRAS 504, 1733-1748 (2021)
	Organic residues in astrophysical ice analogues: Thermal processing of hydrogenated glyoxal ices under interstellar conditions K. Leroux, J.-C. Guillemin, and L. Krim MNRAS 504, 2181-2189 (2021)
	Investigating the role of magnetic fields in star formation using molecular line profiles C. Yin, F. D. Priestley, and J. Wurster MNRAS 504, 2381-2389 (2021)
	3D simulations of photochemical hazes in the atmosphere of hot Jupiter HD 189733b M. E. Steinrueck, A. P. Showman, P. Lavvas, T. Koskinen, X. Tan, and X. Zhang MNRAS 504, 2783-2799 (2021)
	Molecular dynamics reveals formation path of benzonitrile and other molecules in conditions relevant to the interstellar medium J. Jose, A. Zamir, and T. Stein Proc Nat Acad Sci 118, e2101371118 (2021)
	Rules of formation of H-C-N-O compounds at high pressure and the fates of planetary ices L. J. Conway, C. J. Pickard, and A. Hermann Proc Nat Acad Sci 118, e2026360118 (2021)
	An Aromatic Universe - A Physical Chemistry Perspective R. I. Kaiser and N. Hansen J Phys Chem A 125, 3826-3840 (2021)
	Photodissociation Dynamics of the Cyclohexyl Radical from the 3p Rydberg State at 248 nm I. A. Ramphal, M. Shapero, and D. M. Neumark J Phys Chem A 125, 3900-3911 (2021)
	Unusual Chemistry of the C-H-N-O System under Pressure and Implications for Giant Planets A. S. Naumova, S. V. Lepeshkin, P. V. Bushlanov, and A. R. Oganov J Phys Chem A 125, 3936-3942 (2021)
	Direct dynamics in a proton transfer reaction of isomer product competition. Insight into the suppressed formation of the isoformyl cation Y. Wang, S. Zhao, X. Liu, W. Zhen, G. Fu, L. Yang, S. Sun, and J. Zhang Phys Chem Chem Phys 23, 10814-10821 (2021)
	Spectroscopic characterization of a thermodynamically stable doubly charged diatomic molecule: MgAr+ 2 D. Wehrli, M. Génévriez and F. Merkt Phys Chem Chem Phys 23, 10978-10987 (2021)
	Probing the Atmospheric Cl Isotopic Ratio on Mars: Implications for Planetary Evolution and Atmospheric Chemistry G. Liuzzi, G. L. Villanueva, S. Viscardy, D. Mège, M. M. J. Crismani, S. Aoki, J. Gurgurewicz, P.-A. Tesson, M. J. Mumma, M. D. Smith, S. Faggi, V. Kofman, E. W. Knutsen, F. Daerden, L. Neary, F. Schmidt, L. Trompet, J. T. Erwin, S. Robert, I. R. Thomas, B. Ristic, G. Bellucci, J. J. Lopez-Moreno, M. R. Patel, and A. C. Vandaele Geophys Res Lett 48, e2021GL092650 (2021)
	Analytical Chemistry in Astrobiology K. M. Seaton, M. L. Cable, and A. M. Stockton Anal Chem 93, 5981-5997 (2021)

New Articles from Last Week
	Metals and a search for molecules in the distant Universe: Magellan MIKE observations of sub-DLAs at 2 < z < 3 S. Poudel, V. P. Kulkarni, D. Som, and C. Péroux MNRAS 504, 731-743 (2021)
	The influence of surface CO2 condensation on the evolution of warm and cold rocky planets orbiting Sun-like stars I. Bonati and R. M. Ramirez MNRAS 504, 1029-1038 (2021)
	Electron-impact rotational excitation cross-sections and rate coefficients of molecular ion: HCO+ J. Singh MNRAS 504, 1531-1535 (2021)
	Hydrogenations of Isocyanic Acid: A Computational Study on Four Possible Concerted Paths for Formamide Formation N. Darla, D. Pant, and S. Sitha Theor Chem Acct 140, 50 (2021)
	The Origin of the E/Z Isomer Ratio of Imines in the Interstellar Medium J. García de la Concepción, I. Jiménez-Serra, J. Carlos Corchado, V. M. Rivilla, and J. Martín-Pintado ApJL 912, L6 (2021)
	Thiols in the Interstellar Medium: First Detection of HC(O)SH and Confirmation of C2H5SH L. F. Rodríguez-Almeida, I. Jiménez-Serra, V. M. Rivilla, J. Martín-Pintado, S. Zeng, B. Tercero, P. de Vicente, L. Colzi, F. Rico-Villas, S. Martín, and M. A. Requena-Torres ApJL 912, L11 (2021)
	Detection and Degradation of Adenosine Monophosphate in Perchlorate-Spiked Martian Regolith Analog, by Deep-Ultraviolet Spectroscopy J. R. Hollis, T. Fornaro, W. Rapin, J. Wade, Á. Vicente-Retortillo, A. Steele, R. Bhartia, and L. W. Beegle Astrobio 21, 511-525 (2021)
	Integrated Molar Absorptivity of Mid- and Far-Infrared Spectra of Glycine and Other Selected Amino Acids S. Iglesias-Groth and F. Cataldo Astrobio 21, 526-540 (2021)
	Impact of UV Radiation on the Raman Signal of Cystine: Implications for the Detection of S-rich Organics on Mars V. Megevand, J. C. Viennet, E. Balan, M. Gauthier, P. Rosier, M. Morand, Y. Garino, M. Guillaumet, S. Pont, O. Beyssac, and S. Bernard Astrobio 21, 566-574 (2021)
	Conformational preferences of diallylamine: A rotational spectroscopic and theoretical study W. G. D. P. Silva, G. Daudet, S. Perez, S. Thorwirth, and J. van Wijngaarden J Chem Phys 154, 164303 (2021)
	Assessing the Formation of Solid Hydrogen Objects in Starless Molecular Cloud Cores W. G. Levine and G. Laughlin ApJ 912, 3 (2021)
	Haze Formation on Triton K. Ohno, X. Zhang, R. Tazaki, and S. Okuzumi ApJ 912, 37 (2021)
	Simultaneous Deep Measurements of CO Isotopologues and Dust Emission in Giant Molecular Clouds in the Andromeda Galaxy S. Viaene, J. Forbrich, C. J. Lada, G. Petitpas, and C. Faesi ApJ 912, 68 (2021)
	TMC-1, the starless core sulfur factory: Discovery of NCS, HCCS, H2CCS, H2CCCS, and C4S and detection of C5S J. Cernicharo, C. Cabezas, M. Agúndez, B. Tercero, J. R. Pardo, N. Marcelino, J. D. Gallego, F. Tercero, J. A. López-Pérez, and P. de Vicente A&A 648, L3 (2021)
	Evidence for SO2 latitudinal variations below the clouds of Venus E. Marcq, I. Amine, M. Duquesnoy, and B. Bézard A&A 648, L8 (2021)
	Water in star-forming regions: physics and chemistry from clouds to disks as probed by Herschel spectroscopy E. F. van Dishoeck, L. E. Kristensen, J. C. Mottram, A. O. Benz, E. A. Bergin, P. Caselli, F. Herpin, M. R. Hogerheijde, D. Johnstone, R. Liseau, B. Nisini, M. Tafalla, F. F. S. van der Tak, F. Wyrowski, A. Baudry, M. Benedettini, P. Bjerkeli, G. A. Blake, J. Braine, S. Bruderer, S. Cabrit, J. Cernicharo, Y. Choi, A. Coutens, T. de Graauw, C. Dominik, D. Fedele, M. Fich, A. Fuente, K. Furuya, J. R. Goicoechea, D. Harsono, F. P. Helmich, G. J. Herczeg, T. Jacq, A. Karska, M. Kaufman, E. Keto, T. Lamberts, B. Larsson, S. Leurini, D. C. Lis, G. Melnick, D. Neufeld, L. Pagani, M. Persson, R. Shipman, V. Taquet, T. A. van Kempen, C. Walsh, S. F. Wampfler, U. Yıldız, and the WISH team A&A 648, A24 (2021)
	CO+ as a probe of the origin of CO in diffuse interstellar clouds M. Gerin and H. Liszt A&A 648, A38 (2021)
	Physical and chemical structure of high-mass star-forming regions - Unraveling chemical complexity with CORE: the NOEMA large program C. Gieser, H. Beuther, D. Semenov, A. Ahmadi, S. Suri, T. Möller, M. T. Beltrán, P. Klaassen, Q. Zhang, J. S. Urquhart, T. Henning, S. Feng, R. Galván-Madrid, V. de Souza Magalhães, L. Moscadelli, S. Longmore, S. Leurini, R. Kuiper, T. Peters, K. M. Menten, T. Csengeri, G. Fuller, F. Wyrowski, S. Lumsden, Á. Sánchez-Monge, L. Maud, H. Linz, A. Palau, P. Schilke, J. Pety, R. Pudritz, J. M. Winters, and V. Piétu A&A 648, A66 (2021)
	Chemical modeling of the complex organic molecules in the extended region around Sagittarius B2 Y. Wang, F. Du, D. Semenov, H. Wang, and J. Li A&A 648, A72 (2021)
	Quantum study of reaction O (3P) + H2 (v,j) → OH + H: OH formation in strongly UV-irradiated gas A. Veselinova, M. Agúndez, J. R. Goicoechea, M. Menéndez, A. Zanchet, E. Verdasco, P. G. Jambrina, and F. J. Aoiz A&A 648, A76 (2021)
	Carbon-chain molecule survey toward four low-mass molecular outflow sources C. Zhang, Y. Wu, X.-C. Liu, Mengyao Tang, D. Li, J. Esimbek, and S.-L. Qin A&A 648, A83 (2021)
	Molecular composition of comet 46P/Wirtanen from millimetre-wave spectroscopy N. Biver, D. Bockelée-Morvan, J. Boissier, R. Moreno, J. Crovisier, D. C. Lis, P. Colom, M. A. Cordiner, S. N. Milam, N. X. Roth, B. P. Bonev, N. Dello Russo, R. J. Vervack, Jr, and M. A. DiSanti A&A 648, A49 (2021)
	Infrared action spectroscopy of doubly charged PAHs and their contribution to the aromatic infrared bands S. Banhatti, J. Palotás, P. Jusko, B. Redlich, J. Oomens, S. Schlemmer, and S. Brünken A&A 648, A61 (2021)
	Binding energies and sticking coefficients of H2 on crystalline and amorphous CO ice G. Molpeceres, V. Zaverkin, N. Watanabe, and J. Kástner A&A 648, A84 (2021)

Published in June
	New constraints on the chemical composition and outgassing of 67P/Churyumov-Gerasimenko C. Herny, O. Mousis, R. Marschall, N. Thomas, M. Rubina. O. Pinzón-Rodríguez, and I. P. Wright Planet Space Sci 200, 105194 (2021)
	The excitation of CNCN in the interstellar medium: hyperfine resolved rate coefficients and non-LTE modelling D. Ndaw, C. T. Bop, G. Dieye, N. A. Boye Faye, and F. Lique MNRAS 503, 5976-5983 (2021)

Published in May
	A Near-infrared Chemical Inventory of the Atmosphere of 55 Cancri e E. K. Deibert, E. J. W. de Mooij, R. Jayawardhana, A. Ridden-Harper, S. Sivanandam, R. Karjalainen, and M. Karjalainen AJ 161, 209 (2021)
	Detection of an Atmosphere on a Rocky Exoplanet M. R. Swain, R. Estrela, G. M. Roudier, C. Sotin, P. B. Rimmer, A. Valio, R. West, K. Pearson, N. Huber-Feely, and R. T. Zellem AJ 161, 213 (2021) EXOPLANET WITH ATMOSPHERE 2.0?
	Temperature dependence of the rate coefficient of formation of CN radical from C + NH E. Garcia, A. Zanchet, and F. J. Aoiz Chem Phys Lett 771, 138493 (2021)
	Photoionization of methanol: a molecular source for the prebiotic chemistry D. Catone, M. Satta, M. C. Castrovilli, P. Bolognesi, L. Avaldic, and A. Cartoni Chem Phys Lett 771, 138467 (2021)
	ALMA-IRDC - II. First high-angular resolution measurements of the 14N/15N ratio in a large sample of infrared-dark cloud cores F. Fontani, A. T. Barnes, P. Caselli, J. D. Henshaw, G. Cosentino, I. Jiménez-Serra, J. C. Tan, J. E. Pineda, and C. Y. Law MNRAS 503, 4320-4335 (2021)
	Water ortho-para conversion by microwave background radiation in space P. L. Chapovsky MNRAS 503, 1773-1779 (2021)
	Collisional (de-)excitation of protonated cyanoacetylene (HC3NH+) by helium at low and moderate temperatures M. Mogren Al Mogren, D. Ben Abdallah, S. Dhaif Allah Al Harbi, M. S. Al Salhi, and M. Hochlaf MNRAS 503, 2902-2912 (2021)
	Formation of Al containing molecular complexes in the gas phase in dense molecular clouds: quantum study of the radiative association of Al++H2 and Al++D2 D. Jones (nee Burdakova), G. Nyman, and T. Stoecklin MNRAS 503, 3089-3094 (2021)
	Carbon photochemical escape rates from the modern Mars atmosphere D. Y. Lo, R. V. Yelle, R. J. Lillis, and J. I. Deighan Icarus 360, 114371 (2021)
	Io's SO2 atmosphere from HST Lyman-α images: 1997 to 2018 G. Giono and L. Roth Icarus 359, 114212 (2021)

Published in April 2021
	High-Resolution Infrared Spectroscopy of DC3N in the Stretching Region N. Jiang, M. Melosso, F. Tamassia, L. Bizzocchi, L. Dore, E. Canè, D. Fedele, J.-C. Guillemin, and C. Puzzarini Front Astron Space Sci 8, 656295 (2021)
	Interaction of HCO+ Cations With Interstellar Negative Grains. Quantum Chemical Investigation and Astrophysical Implications A. Rimola, C. Ceccarelli, N. Balucani, and P. Ugliengo Front Astron Space Sci 8, 655405 (2021)
	Effect of binding energies on the encounter desorption A. Das, M. Sil, R. Ghosh, P. Gorai, S. Adak, S. Samanta, and S. K. Chakrabarti Front Astron Space Sci 8, 671622 (2021)
	Does processing or formation of water ice mantles affect the capacity of nanosilicates to be the source of the anomalous microwave emission? J. Mariñoso, S. Ferrero, A. M. Escatllar, A. Rimola, and S. T. Bromley Front Astron Space Sci 8, 676548 (2021)
	Aromatics and Cyclic Molecules in Molecular Clouds: A New Dimension of Interstellar Organic Chemistry M. C. McCarthy and B. A. McGuire J Phys Chem A 125, 3231-3243 (2021)
	Theoretical Study of the Energy Disposal Mechanism and the State-Resolved Quantum Dynamics of the H + LiH+ → H2 + Li+ Reaction J. Sahoo, A. M. Singh Rawat, and S. Mahapatra J Phys Chem A 125, 3387-3397 (2021)
	Same-Energy UV Photons and Low-Energy Electrons Activating Methane and Ammonia Frozen in Amorphous Solid Water S. Ramakrishnan, R. Sagi, M. Akerman, and M. Asscher J Phys Chem A 125, 3432-3443 (2021)
	Pathways for the Formation of Formamide, a Prebiotic Biomonomer: Metal-Ions in Interstellar Gas-Phase Chemistry S. Thripati and R. O. Ramabhadran J Phys Chem A 125, 3457-3472 (2021)
	Spectroscopic evidence of the C-N covalent bond formed between two interstellar molecules (ISM): acrylonitrile and ammonia F. Sun, M. Xie, Y. Zhang, W. Song, X. Sun, and Y. Hu Phys Chem Chem Phys 23, 9672-9678 (2021)
	How does the composition of a PAH influence its microsolvation? A rotational spectroscopy study of the phenanthrene-water and phenanthridine-water clusters D. Loru, A. L. Steber, P. Pinacho, S. Gruet, B. Temelso, A. M. Rijs, C. Pérez, and M. Schnell Phys Chem Chem Phys 23, 9721-9732 (2021)
	An Atacama Large Millimeter/submillimeter Array Survey of Chemistry in Disks around M4-M5 Stars J. Pegues, K. I. Öberg, J. B. Bergner, J. Huang, I. Pascucci, R. Teague, S. M. Andrews, . A. Bergin, L. I. Cleeves, V. V. Guzmán, F. Long, C. Qi, and D. J. Wilner ApJ 911, 150 (2021)
	Gas-phase stereoinversion in proteinogenic amino acid isoleucine: its astrophysical importance N. Rani and Vikas Astrophys Space Sci 366, 38 (2021)
	Relationship Between the Ozone and Water Vapor Columns on Mars as Observed by SPICAM and Calculated by a Global Climate Model F. Lefèvre, A. Trokhimovskiy, A. Fedorova, L. Baggio, G. Lacombe, A. M&aauml;&aauml;tt&aauml;nen, J.-L. Bertaux, F. Forget, E. Millour, O. Venot, Y. Bénilan, O. Korablev, and F. Montmessin J Geophys Res Planets 126, e2021JE006838 (2021)
	Aromatic Formation Promoted by Ion-Driven Radical Pathways in EUV Photochemical Experiments Simulating Titan's Atmospheric Chemistry J. Bourgalais, N. Carrasco, L. Vettier, A. Comby, D. Descamps, S. Petit, V. Blanchet, J. Gaudin, Y. Mairesse, and B. Marty J Phys Chem A 125, 3159-3168 (2021)
	A Spectroscopic View on Cosmic PAH Emission E. Peeters, C. Mackie, A. Candian, and A. G. G. M. Tielens Acc Chem Res 54, 1921-1933 (2021)
	The role of the three body photodissociation channel of water in the evolution of dioxygen in astrophysical applications S. An, S. Ranjan, K. Yuan, X. Yang, and R. T. Skodje Phys Chem Chem Phys 23, 9235-9248 (2021)
	On the spectral features of dangling bonds in CH4/H2O amorphous ice mixtures B. Maté, M. Á. Satorre, and R. Escribano Phys Chem Chem Phys 23, 9532-9538 (2021)
	Infrared photodissociation spectroscopic and theoretical study of HnC4O+ (n = 1, 2) cation clusters in the gas phase W. Li, J. Jin, X. Wu, X. Ding, and G. Wang Mol Phys 119, e1879301 (2021)
	Water Ice Cloud Variability and Multi-epoch Transmission Spectra of TRAPPIST-1e E. M. May, J. Taylor, T. D. Komacek, M. R. Line, and V. Parmentier ApJL 911, L30 (2021)
	Five carbon- and nitrogen-bearing species in a hot giant planet's atmosphere P. Giacobbe, M. Brogi, S. Gandhi, P. E. Cubillos, A. S. Bonomo, A. Sozzetti, L. Fossati, G. Guilluy, I. Carleo, M. Rainer, A. Harutyunyan, F. Borsa, L. Pino, V. Nascimbeni, S. Benatti, K. Biazzo, A. Bignamini, K. L. Chubb, R. Claudi, R. Cosentino, E. Covino, M. Damasso, S. Desidera, A. F. M. Fiorenzano, A. Ghedina, A. F. Lanza, G. Leto, A. Maggio, L. Malavolta, J. Maldonado, G. Micela, E. Molinari, I. Pagano, M. Pedani, G. Piotto, E. Poretti, G. Scandariato, S. N. Yurchenko, D. Fantinel, A. Galli, M. Lodi, N. Sanna, & A. Tozzi. Nature 592, 205-208 (2021) 6 MOLECULES DETECTED ON EXOPLANET
	Cold Traps of Hypervolatiles in the Protosolar Nebula at the Origin of the Peculiar Composition of Comet C/2016 R2 (PanSTARRS) O. Mousis, A. Aguichine, A. Bouquet, J. I. Lunine, G. Danger, K. E. Mandt, and A. Luspay-Kuti PSJ 2, 72 (2021)
	Optical Constants of a Solar System Organic Analog and the Allende Meteorite in the Near- and Mid-infrared (1.5-13 μm) J. A. Arnold, A. J. Weinberger, G. Cody, G. Videen, and O. Muñoz PSJ 2, 73 (2021)
	How Does Temperature Affect the Infrared Vibrational Spectra of Nanosized Silicate Dust? J. Mariñoso Guiu, A. Macià Escatllar, and S. T. Bromley ACS Earth Space Chem 5, 812-823 (2021)
	Kinetic Study of the Gas-Phase C(3P) + CH3CN Reaction at Low Temperatures: Rate Constants, H-Atom Product Yields, and Astrochemical Implications K. M. Hickson, J.-C. Loison, and V. Wakelam ACS Earth Space Chem 5, 824-833 (2021)
	Rotational and Torsional Properties of Various Monosubstituted Isotopologues of Acetone (CH3-CO-CH3) from Explicitly Correlated Ab Initio Methods S. Dalbouha, M. Mogren Al-Mogren, and M. L. Senent ACS Earth Space Chem 5, 890-899 (2021)
	Formation of covalently bound C4H+ 4 upon electron-impact ionization of acetylene dimer Y. Wang, E. Wang, J. Zhou, A. Dorn, and X. Ren J Chem Phys 154, 144301 (2021)
	A close coupling study of the bending relaxation of H2O by collision with He T. Stoecklin, L. D. Cabrera-González, O. Denis-Alpizar, and D. Páez-Hernández J Chem Phys 154, 144307 (2021)
	The Effect of the Martian 2018 Global Dust Storm on HDO as Predicted by a Mars Global Climate Model L. Rossi, M. Vals, F. Montmessin, F. Forget, E. Millour, A. Fedorova, A. Trokhimovskiy, and O. Korablev Geophys Res Lett 48, e2020GL090962 (2021)
	Venus' Mass Spectra Show Signs of Disequilibria in the Middle Clouds R. Mogul, S. S. Limaye, M. J. Way, and J. A. Cordova Geophys Res Lett 48, e2020GL091327 (2021)
	Investigation of UV Absorbers on Venus Using the 283 and 365 nm Phase Curves Obtained From Akatsuki Y. J. Lee, A. García Muñoz, A. Yamazaki, M. Yamada, S. Watanabe, and T. Encrenaz Geophys Res Lett 48, e2020GL090577 (2021)
	Linemake: An Atomic and Molecular Line List Generator V. M. Placco, C. Sneden, I. U. Roederer, J. E. Lawler, E. A. Den Hartog, N. Hejazi, Z. Maas, and P. Bernath Res Notes AAS 5, 92 (2021)
	Cyclopropenone (c-C3H2O) as a Tracer of the Nonequilibrium Chemistry Mediated by Galactic Cosmic Rays in Interstellar Ices N. F. Kleimeier, M. J. Abplanalp, R. N. Johnson, S. Gozem, J. Wandishin, C. N. Shingledecker, and R. I. Kaiser ApJ 911, 24 (2021)
	The TW Hya Rosetta Stone Project IV: A Hydrocarbon-rich Disk Atmosphere L. I. Cleeves, R. A. Loomis, R. Teague, E. A. Bergin, D. J. Wilner, J. B. Bergner, G. A. Blake, J. K. Calahan, P. Cazzoletti, E. F. van Dishoeck, V. V. Guzmán, M. R. Hogerheijde, J. Huang, M. Kama, K. I. Öberg, C. Qi, Jeroen Terwisscha van Scheltinga, and C. Walsh ApJ 911, 29 (2021)
	A Far Ultraviolet Spectroscopic Explorer Survey of Interstellar Molecular Hydrogen in the Galactic Disk J. M. Shull, C. W. Danforth, and K. L. Anderson ApJ 911, 55 (2021)
	Multiple HC3N line observations towards 19 Galactic massive star-forming regions H. Feng, J. Wang, S. Li, Y. Shi, F. Zhu, M. Kong, R. Gao, and F. Li Pub Astron Soc Japan 73, 467-484 (2021)
	Molecular photodissociation in the vacuum ultraviolet region: implications for astrochemistry and planetary atmospheric chemistry H. Gao Mol Phys 119, e1861354 (2021)
	On the Stickiness of CO2 and H2O Ice Particles S. Arakawa and S. Krijt ApJ 910, 130 (2021)
	Carbon-chain Chemistry versus Complex-organic-molecule Chemistry in Envelopes around Three Low-mass Young Stellar Objects in the Perseus Region K. Taniguchi, L. Majumdar, S. Takakuwa, M. Saito, D. C. Lis, P. F. Goldsmith, and E. Herbst ApJ 910, 141 (2021)
	Experimental Study on CH+ Formation from Doubly Charged Carbon and Molecular Hydrogen R. Plašil, S. Rednyk, A. Kovalenko, T. D. Tran, Š. Roučka, P. Dohnal, O. Novotný, and J. Glosík ApJ 910, 155 (2021)
	The Diversity of Planetary Atmospheric Chemistry. Lessons and Challenges from Our Solar System and Extrasolar Planets F. P. Mills, J. I. Moses, P. Gao, and S.-M. Tsai Space Sci Rev 217, 43 (2021)
	First Comet Observations with NIRSPEC-2 at Keck: Outgassing Sources of Parent Volatiles and Abundances Based on Alternative Taxonomic Compositional Baselines in 46P/Wirtanen B. P. Bonev, N. Dello Russo, M. A. DiSanti, E. C. Martin, G. Doppmann, R. J. Vervack Jr., G. L. Villanueva, H. Kawakita, E. L. Gibb, M. R. Combi, N. X. Roth, M. Saki, A. J. McKay, M. A. Cordiner, D. Bodewits, J. Crovisier, N. Biver, A. L. Cochran, Y. Shou, Y. Khan, and K. Venkataramani PSJ 2, 45 (2021)
	Contemporaneous Multiwavelength and Precovery Observations of the Active Centaur P/2019 LD2 (ATLAS) T. Kareta, L. M. Woodney, C. Schambeau, Y. Fernandez, O. Harrington Pinto, K. Wierzchos, M. W., S. J. Bus, J. Steckloff, G. Sarid, K. Volk, W. M. Harris, and V. Reddy PSJ 2, 48 (2021)
	Formation Conditions of Titan's and Enceladus's Building Blocks in Saturn's Circumplanetary Disk S. E. Anderson, O. Mousis, and T. Ronnet PSJ 2, 50 (2021)
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Published in March 2021
	Using Laboratory Investigations to Aid the Identification of Small Aromatic Molecules in Water-Containing Astrophysical Ices T. L. Salter , J. W. Stubbing , L. Brigham, and W. A. Brown Front Astron Space Sci 8, 644277 (2021)
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	Complex organic molecules in protoplanetary disks: X-ray photodesorption from methanol-containing ices - I. Pure methanol ices R. Basalgète, R. Dupuy, G. Féraud, C. Romanzin, L. Philippe, X. Michaut, J. Michoud, L. Amiaud, A. Lafosse, J.-H. Fillion, and M. Bertin A&A 647, A35 (2021)
	Rotational spectroscopic study and astronomical search for propiolamide in Sgr B2(N) E. R. Alonso, L. Kolesniková, A. Belloche, S. Mata, R. T. Garrod, A. Jabri, I. León, J.-C. Guillemin, H. S. P. Müller, K. M. Menten, and J. L. Alonso A&A 647, A55 (2021)
	Photolysis of acetonitrile in a water-rich ice as a source of complex organic molecules: CH3CN and H2O:CH3CN ices M. Bulak, D. M. Paardekooper, G. Fedoseev, and H. Linnartz A&A 647, A82 (2021)
	Photodissociation branching ratios of 12C16O from 110 500 to 113 045 cm–1: first observation of the C(1S) channel L. Guan, P. Jiang, G. Zhang, T. Yin, M. Cheng, and H. Gao A&A 647, A127 (2021)
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	Rate coefficients for H2:H2 inelastic collisions in the ground vibrational state from 10 to 1000 K M. I. Hernández, G. Tejeda, J. M. Fernández, and S. Montero A&A 647, A155 (2021)
	Rotational spectroscopy of isotopic cyclopropenone, c-H2C3O, and determination of its equilibrium structure H. S. P. Müller, A. Brahmi M., J.-C. Guillemin, F. Lewen, and S. Schlemmer A&A 647, A179 (2021)
	Transient HCl in the atmosphere of Mars O. Korablev, K. S. Olsen, A. Trokhimovskiy, F. Lefèvre, F. Montmessin, A. A. Fedorova, M. J. Toplis, J. Alday, D. A. Belyaev, A. Patrakeev, N. I. Ignatiev, A. V. Shakun, A. V. Grigoriev, L. Baggio, I. Abdenour, G. Lacombe, Y. S. Ivanov, S. Aoki, I. R. Thomas, F. Daerden, B. Ristic, J. T. Erwin, M. Pate, G. Bellucci, J.-J. Lopez-Moreno, and A. C. Vandaele Sci Adv 7, eabe4386 (2021) HCl DETECTED ON MARS
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	The Phase of Water Ice Which Forms in Cold Clouds in the Mesospheres of Mars, Venus, and Earth T. P. Mangan, J. M. C. Plane, and B. J. Murray J Geophys Res Planets 126, e2020JE006796 (2021)
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Published in February 2021
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