Current Astrochemistry Publications

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

11488
articles
posted
since 2003

Featured Cover

Schiller et al., Adsorption of Helium on Small Cationic PAHs: Influence of Hydrocarbon Structure on the Microsolvation Pattern J Phys Chem A 125, 7813-7824 (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 28 November 2021
	Pluto's atmosphere observations with ALMA: Spatially-resolved maps of CO and HCN emission and first detection of HNC E. Lellouch, B. Butler, R. Moreno, M. Gurwell, P. Lavvas, T. Bertrand, T. Fouchet, D. F. Strobel, and A. Moullet Icarus 372, x (2022)
	Energy deposition in Saturn's equatorial upper atmosphere J. M. Chadney, T. T. Koskinen, X. Hu, M. Galand, P. Lavvas, Y. C. Unruh, J. Serigano, S. M. Hörst, and R. V. Yelle Icarus 372, 114724 (2022)
	Raman spectroscopy of high salinity brines and ices D. P. Mason and M. E. Elwood Madden Icarus 372, 114759 (2022)
	The fate of icy pebbles undergoing sublimation in protoplanetary discs S. Spadaccia, H. L. Capelo, A. Pommerol, P. Schuetz, Y. Alibert, K. Ros, and N. Thomas MNRAS 509, 2825-2835 (2021)
	Modelling the water and carbon dioxide production rates of Comet 67P/Churyumov-Gerasimenko B. J. R. Davidsson, N. H. Samarasinha, D. Farnocchia, and P. J. Gutiérrez MNRAS 509, 3065-3085 (2021)
	Experimental and theoretical studies of the gas-phase reactions of O(¹D) with H₂O and D₂O at low temperature K. M. Hickson, S. Bhowmick, Y. V. Suleimanov, J. Brandão and D. V. Coelho Phys Chem Chem Phys 23, 25797-25806 (2021)
	Study of the Reactivity of CH₃COOH⁺• and COOH⁺ Ions with CH₃NH₂: Evidence of the Formation of New Peptide-like C(O)-N Bonds I. Derbali, R. Thissen, C. Alcaraz, C. Romanzin, and E.-L. Zins J Phys Chem A 125, 10006-10020 (2021)
	The First Detection of CH₂CN in a Protoplanetary Disk A. Canta, R. Teague, R. Le Gal, and K. I. Öberg ApJ 922, 62 (2021)
	Potential lines of formic acid for its detection in cosmic objects M. K. Sharma and S. Chandra J Astrophys Astron 42, 112 (2021)

New Articles from Last Week
	Theoretical study on the formation mechanisms of CH+ 3 from doubly charged benzene Y. Li, M. Li, T. Yang, Y. Wang, S. Jia, X. Liu, and Z.Xu Chem Phys 553, 111358 (2022)
	Are radicals responsible for the variable deuterium enrichments in chondritic insoluble organic material? C. M. O'D. Alexander, M. J. Nilges, G. D. Cody, and C. D. K. Herd Geochim Cosmochim Acta 315, 135-149 (2022)
	Polycyclic aromatic hydrocarbons and the ionized gas in galaxies with active nuclei A. Silva-Ribeiro, A. C. Krabbe, C. M. Canelo, A. F. Monteiro, D. A. Sales, J. A. Hernandez-Jimenez, and D. P. P. Andrade MNRAS 509, 327-344 (2022)
	*Rotational excitation of H₃O⁺ cations by para-H₂: improved collisional data at low temperatures* S. Demes, F. Lique, A. Faure, F. F. S. van der Tak, C. Rist, and P. Hily-Blant MNRAS 509, 1252-1261 (2022)
	ExoMol at 10 J. Tennyson and S. N. Yurchenko Astron Geophys 62, 6.16-6.21 (2021)
	Investigations on transition properties of X¹Σ⁺, A¹Σ^–, B¹Δ, C¹Π, D¹Σ⁺, E¹Π, and F¹Σ⁺ states of PS⁺ cation H. Liu, H. Zhang, D. Shi, J. Sun, and Z. Zhu Comp Theor Chem 1206, 113462 (2021)
	Low total abundances and a predominance of n-ω-amino acids in enstatite chondrites: Implications for thermal stability of amino acids in the inner solar system D. N. Simkus, J. C. Aponte, J. E. Elsila, H. L. McLain, E. T. Parker, J. P. Dworkin, and D. P. Glavin Meteor Planet Sci 56, 2118-2127 (2021)
	Chirped-Pulse Fourier Transform Millimeter-Wave Spectroscopy of Furan, Isotopologues, and Vibrational Excited States T. J. Barnum, K. L. K. Lee, and B. A. McGuire ACS Earth Space Chem 5, 2986-2994 (2021)
	Spectroscopic detection of gas-phase HOSO₂ M. Nakajima and Y. Endo Phys Chem Chem Phys 23, 25063-25069 (2021)
	Excitation Properties of Photopigments and Their Possible Dependence on the Host Star M. Lingam, A. Balbi, and S. M. Mahajan ApJL 921, L41 (2021)
	Beyond the helium buffer: ¹²C– 2 rotational cooling in cold traps with H₂ as a partner gas: interaction forces and quantum dynamics B. Mant, J. Franz, R. Wester, and F. A. Gianturco Mol Phys 119, e1938267 (2021)
	Deviation of the rate of the H+ 2+D₂ reaction from Langevin behaviour below 1 K, branching ratios for the HD+ 2+H and H₂D⁺+D product channels, and product-kinetic-energy distributions K. Höveler, J. Deiglmayr, and F. Merkt Mol Phys 119, e1954708 (2021)

Published in December
	Gas-phase formation of cationic fullerene/9-aminoanthracene clusters: an indicator for interstellar dust growth X. Hu, D. Zhang, C. Zhang, Y. Yang, Y. Chen, J. Zhen, and L. Qin MNRAS 508, 4758-4766 (2021)
	Structure, stability, and optical absorption spectra of small Ti_nC_x clusters: a first-principles approach S. Gámez-Valenzuela, J. A. Alonso, G. Santoro, and J. I. Martínez MNRAS 508, 5074-5091 (2021)
	A high-resolution line list for AlO C. A. Bowesman, M. Shuai, S. N. Yurchenko, and J. Tennyson MNRAS 508, 3181-3193 (2021)
	The vibrational properties of benzene on an ordered water ice surface V. H. J. Clark and D. M. Benoit MNRAS 508, 3239-3250 (2021)
	Broadened profiles of diffuse interstellar bands J. Krełowski, G. A. Galazutdinov, P. Gnaciński, R. Hakalla, W. Szajna, and R. Siebenmorgen MNRAS 508, 4241-4248 (2021)
	Decomposition of the CO stretching vibration band of laboratory H₂O-CO ices irradiated by heavy ions E. Seperuelo Duarte, A. L. F. de Barros, E. F. da Silveira, A. Domaracka, P. Boduch, and H. Rothard MNRAS 508, 4297-4309 (2021)
	*Fine and hyperfine excitation of nitric oxide by collision with para-H₂ at low temperature* M. Ben Khalifa and J. Loreau MNRAS 508, 1908-1914 (2021)
	Vibrational and rotational spectral data for possible interstellar detection of AlH₃OH₂, SiH₃OH, and SiH₃NH₂ A. G. Watrous, B. R. Westbrook, M. C. Davis, and R. C. Fortenberry MNRAS 508, 2613-2619 (2021)
	Temperature-dependent direct photodissociation cross sections and rates of AlCl Z. Qin, T. Bai, and L. Liu MNRAS 508, 2848-2854 (2021)
	Gas-phase laboratory study on PAH/amino-acid cluster cations Y. Yang, C. Zhang, X. Hu, D. Zhang, Y. Chen, J. Zhen, and L. Qin MNRAS 508, 3009-3022 (2021)
	Excitation, emission, and synchronous fluorescence for astrochemical applications: Experiments and computer simulations of synchronous spectra of polycyclic aromatic hydrocarbons and their mixtures S. Sunuwar and C. E. Manzanares Icarus 370, 114689 (2021)

Published in November
	Carbon Atom Reactivity with Amorphous Solid Water: H₂O-Catalyzed Formation of H₂CO G. Molpeceres, J. Kästner, G. Fedoseev, D. Qasim, R. Schömig, H. Linnartz, and T. Lamberts J Phys Chem Lett 12, 10854-10860 (2021)
	Crossed Beam Experiments and Computational Studies of Pathways to the Preparation of Singlet Ethynylsilylene (HCCSiH; X¹A'): The Silacarbene Counterpart of Triplet Propargylene (HCCCH; X³B) A. Rettig, M. Head-Gordon, S. Doddipatla, Z. Yang, and R. I. Kaiser J Phys Chem Lett 12, 10768-10776 (2021)
	Laser-Induced Electronic and Vibronic Dynamics in the Pyrene Molecule and Its Cation K. R. Herperger, J. Krumland, and C. Cocchi J Phys Chem A 125, 9619-9631 (2021)
	Mutual neutralisation of O⁺ with O^–: investigation of the role of metastable ions in a combined experimental and theoretical study M. Poline, A. Dochain, S. Rosén, J. Grumer, M. Ji, G. Eklund, A. Simonsson, P. Reinhed, M. Blom, N. S. Shuman, S. G. Ard, A. A. Viggiano, M. Larsson, H. Cederquist, H. T. Schmidt, H. Zettergren, X. Urbain, P. S. Barklem, and R. D. Thomas Phys Chem Chem Phys 23, 24607-24616 (2021)
	Structural and vibrational characterization of HCO⁺ and Rg-HCO⁺, Rg = {He, Ne, Ar, Kr, and Xe} J. A. Tana, S. Tehb, and J.-L. Kuoa J Chem Phys 155, 174306 (2021)
	Detectable Abundance of Cyanoacetylene (HC₃N) Predicted on Reduced Nitrogen-rich Super-Earth Atmospheres P. B. Rimmer, L. Majumdar, A. Priyadarshi, S. Wright, and S. N. Yurchenko ApJL 921, 128 (2021)
	The Formation of Astromolecule Ethynyl Cyclopropenylidene (c-C₃HCCH) from C₂H and c-C₃H₂ R. C. Fortenberry ApJ 921, 132 (2021)
	Study of the Inner Structure of the Molecular Torus in IRAS 08572+3915 NW with Velocity Decomposition of CO Rovibrational Absorption Lines S. Onishi, T. Nakagawa, S. Baba, K. Matsumoto, N. Isobe, M. Shirahata, H. Terada, T. Usuda, and S. Oyabu ApJ 921, 141 (2021)
	The Water-ice Feature in Near-infrared Disk-scattered Light around HD 142527: Micron-sized Icy Grains Lifted up to the Disk Surface? R. Tazaki, K. Murakawa, T. Muto, M. Honda, and A. K. Inoue ApJ 921, 173 (2021)
	Photochemistry and Spectral Characterization of Temperate and Gas-rich Exoplanets R. Hu ApJ 921, 27 (2021)
	A Deep Search for Five Molecules in the 49 Ceti Debris Disk J. Klusmeyer, A. M. Hughes, L. Matrà, K. Flaherty, Á. Kóspál, A. Moór, A. Roberge, K. Öberg, A. Boley, J. White, D. Wilner, and P. Ábrahám ApJ 921, 56 (2021)
	Detection of H₂ in the TWA 7 System: A Probable Circumstellar Origin L. Flagg, C. M. Johns-Krull, K. France, G. Herczeg, J. Najita, J. M. Carpenter, and S. J. Kenyon ApJ 921, 86 (2021)
	UV Time-Resolved Laser-Induced Fluorescence Spectroscopy of Amino Acids Found in Meteorites: Implications for Space Science and Exploration E. A. Lymer, M. Konstantinidis, E. A. Lalla, M. G. Daly, and K. T. Tait Astrobio 21, 1350-1362 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). I. Program Overview and Highlights K. I. Öberg, V. V. Guzmán, C. Walsh, Y. Aikawa, E. A. Bergin, C. J. Law, R. A. Loomis, F. Alarcón, S. M. Andrews, J. Bae, J. B. Bergner, Y. Boehler, A. S. Booth, A. D. Bosman, J. K. Calahan, G. Cataldi, L. I. Cleeves, I. Czekala, K. Furuya, J. Huang, J. D. Ilee, N. T. Kurtovic, R. Le Gal, Y. Liu, F. Long, F. Ménard, H. Nomura, L. M. Pérez, C. Qi, K. R. Schwarz, A. Sierra, R. Teague, T. Tsukagoshi, Y. Yamato, M. L. R. van 't Hoff, A. R. Waggoner, D. J. Wilner, and K. Zhang ApJS 257, 1 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). II. CLEAN Strategies for Synthesizing Images of Molecular Line Emission in Protoplanetary Disks I. Czekala et al. ApJS 257, 2 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). III. Characteristics of Radial Chemical Substructures Charles J. Law et al. ApJS 257, 3 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). IV. Emission Surfaces and Vertical Distribution of Molecules C. J. Law et al. ApJS 257, 4 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). V. CO Gas Distributions Ke Zhang et al. ApJS 257, 5 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). VI. Distribution of the Small Organics HCN, C₂H, and H₂CO V. V. Guzmán et al. ApJS 257, 6 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). VII. Substellar O/H and C/H and Superstellar C/O in Planet-feeding Gas A. D. Bosman et al. ApJS 257, 7 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). VIII. CO Gap in AS 209-Gas Depletion or Chemical Processing? Felipe Alarcón et al. ApJS 257, 8 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). IX. Distribution and Properties of the Large Organic Molecules HC₃N, CH₃CN, and c-C₃H₂ J. D. Ilee et al. ApJS 257, 9 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). X. Studying Deuteration at High Angular Resolution toward Protoplanetary Disks G. Cataldi et al. ApJS 257, 10 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XI. CN and HCN as Tracers of Photochemistry in Disks J. B. Bergner et al. ApJS 257, 11 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XII. Inferring the C/O and S/H Ratios in Protoplanetary Disks with Sulfur Molecules R. Le Gal et al. ApJS 257, 12 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XIII. HCO⁺ and Disk Ionization Structure Y. Aikawa et al. ApJS 257, 13 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XIV. Revealing Disk Substructures in Multiwavelength Continuum Emission A. Sierra et al. ApJS 257, 14 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XV. Tracing Protoplanetary Disk Structure within 20 au A. D. Bosman et al. ApJS 257, 15 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XVI. Characterizing the Impact of the Molecular Wind on the Evolution of the HD 163296 System A. S. Booth et al. ApJS 257, 16 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XVII. Determining the 2D Thermal Structure of the HD 163296 Disk J. K. Calahan et al. ApJS 257, 17 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XVIII. Kinematic Substructures in the Disks of HD 163296 and MWC 480 R. Teague et al. ApJS 257, 18 (2021)
	Molecules with ALMA at Planet-forming Scales (MAPS). XIX. Spiral Arms, a Tail, and Diffuse Structures Traced by CO around the GM Aur Disk J. Huang et al. ApJS 257, 19 (2021)
	Molecules with ALMA at Planet-forming Scales. XX. The Massive Disk around GM Aurigae K. R. Schwarz et al. ApJS 257, 20 (2021)
	The Extraordinary Passage of Comet C/2020 F3 NEOWISE: Evidence for Heterogeneous Chemical Inventory in Its Nucleus S. Faggi, M. Lippi, M. Camarca, C. F. Buzard, G. L. Villanueva, G. W. Doppmann, G. A. Blake, and M. J. Mumma AJ 162, 78 (2021)
	Theoretical Study of the Reaction of the Methylidyne Radical (CH; X²Π) with 1-Butyne (CH₃CH₂CCH; X¹A') A. A. Nikolayev, V. N. Azyazov, R. I. Kaiser, and A. M. Mebel J Phys Chem A 125, 9536-9547 (2021)
	Computational UV spectra for amorphous solids of small molecules A. M. Wallace and R. C. Fortenberry Phys Chem Chem Phys 23, 24413-24420 (2021)
	Gas-phase Synthesis of Silaformaldehyde (H₂SiO) and Hydroxysilylene (HSiOH) in Outflows of Oxygen-rich Asymptotic Giant Branch Stars C. He, S. Doddipatla, Z. Yang, S. J. Goettl, R. I. Kaiser, V. N. Azyazov, A. M. Mebel, and T. J. Millar ApJL 921, L7 (2021)
	Unveiling Shrouded Oceans on Temperate sub-Neptunes via Transit Signatures of Solubility Equilibria versus Gas Thermochemistry R. Hu, M. Damiano, M. Scheucher, E. Kite, S. Seager, and H. Rauer ApJL 921, L8 (2021)
	Efficient Formation Pathway of Methyl Formate: The Role of OH Radicals on Ice Dust A. Ishibashi, H. Hidaka, Y. Oba, A. Kouchi, and N. Watanabe ApJL 921, L13 (2021)
	Seasonal and latitudinal variations of the HDO/H₂O ratio in the martian atmosphere V. A. Krasnopolsky Planet Space Sci 208, 105345 (2021)
	Collisional excitation of methylene by molecular hydrogen P. J. Dagdigian MNRAS 508, 118-124 (2021)
	Chlorine-bearing species and the ³⁷Cl/³⁵Cl isotope ratio in the coma of comet 67P/Churyumov-Gerasimenko F. Dhooghe, J. De Keyser, N. Hänni, K. Altwegg, G. Cessateur, E. Jehin, R. Maggiolo, M. Rubin, and P. Wurz MNRAS 508, 1020-1032 (2021)
	Formation of carbonaceous species from irradiated methane and ethane ices with vacuum-ultraviolet light J.-I. Lo, Hs.-C. Lu, Y.-C. Peng, S.-L. Chou, and B.-M. Cheng MNRAS 508, 1056-1063 (2021)
	Inelastic rate coefficients for collisions of C₄H^– with H₂ C. Balança, E. Quintas-Sánchez, R. Dawes, F. Dumouchel, F. Lique, and N. Feautrier MNRAS 508, 1148-1155 (2021)
	Modelling the insertion of O(¹D) into methane on the surface of interstellar ice mantles J. T. Carder, W. Ochs, and E. Herbst MNRAS 508, 1526-1532 (2021)
	Spectral transition properties of the A¹Π-X¹Σ⁺ system for PN Z. Qin, T. Bai, and L. Liu Chem Phys Lett 782, 139028 (2021)
	Establishing new diffuse interstellar band correlations to identify common carriers F. M. Smith, T. A. Harriott, D. Majaess, L. Massa, and C. F. Matta MNRAS 507, 5236-5245 (2021)
	Inelastic scattering of interstellar silyl cyanide (SiH₃CN) by helium atoms : cross-sections and rate coefficients for A- and E-SiH₃CN M. Naouai, A. Jrad, A. Badri, and F. Najar MNRAS 507, 5264-5271 (2021)
	Inelastic, exchange, and reactive processes in rovibrationally excited collisions of HD with H B. Zhou, B. Yang, N. Balakrishnan, B. K. Kendrick, M. Chen, and P. C. Stancil MNRAS 507, 6012-6019 (2021)
	Profile comparison of the 6-9 μm polycyclic aromatic hydrocarbon bands in starburst-dominated galaxies C. M. Canelo, D. A. Sales, A. C. S. Friaça, M. Pastoriza, and K. Menéndez-Delmestre MNRAS 507, 6177-6195 (2021)
	Ice mantles on dust grains: dramatic variation of thickness with grain size K. Silsbee, P. Caselli, and A. V. Ivlev MNRAS 507, 6205-6214 (2021)
	Collisional cooling of primordial and interstellar media by H₂ D. R. Flower, G. Pineau des Forêts, P. Hily-Blant, A. Faure, F. Lique, and T. González-Lezana MNRAS 507, 3564-3571 (2021)
	Dark cloud-type chemistry in photodissociation regions with moderate ultraviolet field M. S. Kirsanova, A. F. Punanova, D. A. Semenov, and A. I. Vasyunin MNRAS 507, 3810-3829 (2021)
	Resolved fine and hyperfine state-to-state rate coefficients for the rotational transitions of C₃N induced by collision with He M. Lara-Moreno, T. Stoecklin, and P. Halvick MNRAS 507, 4086-4094 (2021)
	Modeling of observations of the OH nightglow in the venusian mesosphere C. D. Parkinson, S. W. Bougher, F. P. Mills, Y. L. Yung, A. Brecht, D. Shields, and M. Liemohn Icarus 368, 114580 (2021)
	Evidence for the protection of N-heterocycles from gamma radiation by Mars analogue minerals G. Ertem, D. P. Glavin, R. P. Volpe, and C. P. McKay Icarus 368, 114540 (2021)
	Photochemistry of benzene (C₆H₆) hydrogen cyanide (HCN) co-condensed ices part 1: A source of solid-state production of volatile nitrile compounds in Titan's stratosphere J. Mouzay, K. Henry, I. Couturier-Tamburelli, G. Danger, N. Piétri, and T. Chiavassa Icarus 368, 114595 (2021)
	A tenuous, collisional atmosphere on Callisto S. R. Carberry Mogan, O. J. Tucker, R. E. Johnson, A. Vorburger, A. Galli, B. Marchand, A. Tafuni, S. Kumar, I. Sahin, and K. R. Sreenivasan Icarus 368, 114597 (2021)
	Visible-near-infrared observations of organics and carbonates on (101955) Bennu: Classification method and search for surface context S. M. Ferrone, B. E. Clark, H. H. Kaplan, J.-L. Rizos, X.-D.Zou, J.-Y. Li, M. A. Barucci, A. A. Simon, D. Reuter, P. H. Hasselmann, J. D. P. Deshapriya, G. Poggiali, J. R. Brucato, S. Cambioni, E. Cloutis, V. E. Hamilton, and D. S. Lauretta Icarus 368, 114579 (2021)

Published in October
	Modeling of CO Rovibrational Line Emission of HD 141569 S. K. Jensen Jr., S. D. Brittain, J. R. Najita, and J. S. Carr Pubs Astron Soc Pacific 133, 104402 (2021)
	Rapid Radical-Radical Induced Explosive Desorption of Ice-coated Interstellar Nanoparticles C. Zhu, A. Bergantini, S. K. Singh, M. J. Abplanalp, and R. I. Kaiser ApJ 920, 73 (2021)
	A New "Non-energetic" Route to Complex Organic Molecules in Astrophysical Environments: The C + H₂O → H₂CO Solid-state Reaction A. Potapov, S. A. Krasnokutski, C. Jäger, and T. Henning ApJ 920, 111 (2021)
	Simulating Observations of Ices in Protoplanetary Disks N. P. Ballering, L. I. Cleeves, and D. E. Anderson ApJ 920, 115 (2021)
	Unusual Chemical Processes in Interstellar Chemistry: Past and Present E. Herbst Front Astron Space Sci 8, 776942 (2021)
	Tunneling of Hydrogen and Deuterium Atoms on Interstellar Ices (Ih and ASW) G. Nyman Front Astron Space Sci 8, 738264 (2021)
	Experimental and Computational Studies on the Reactivity of Methanimine Radical Cation (H₂CNH⁺•) and its Isomer Aminomethylene (HCNH₂⁺•) With C₂H₂ V. Richardson, D. Ascenzi, D. Sundelin, C. Alcaraz, C. Romanzin, R. Thissen, J.-C. Guillemin, M. Polášek, P. Tosi, J. Žabka, and W. D. Geppert Front Astron Space Sci 8, 752376 (2021)
	Anatomy of Orion Molecular Clouds-The Astrochemistry Perspective/Approach D. Sahu, S.-Y. Liu, and T. Liu Front Astron Space Sci 8, 672893 (2021)
	Identification of DNA Bases and Their Cations in Astrochemical Environments: Computational Spectroscopy of Thymine as a Test Case Y. Zhao, M. Hochlaf, and M. Biczysko Front Astron Space Sci 8, 757007 (2021)
	Nondetection of Water-ice Grains in the Coma of Comet 46P/Wirtanen and Implications for Hyperactivity S. Protopapa, M. S. P. Kelley, C. E. Woodward, and B. Yang PSJ 2, 176 (2021)
	A solar C/O and sub-solar metallicity in a hot Jupiter atmosphere M. R. Line, M. Brogi, J. L. Bean, S. Gandhi, J. Zalesky, V. Parmentier, P. Smith, G. N. Mace, M. Mansfield, E. M.-R. Kempton, J. J. Fortney, E. Shkolnik, J. Patience, E. Rauscher, J.-M. Désert, and J. P. Wardenier Nature 598, 580-584 (2021)
	Rotational (de)-excitation of C₅ by collision with He at low temperature A. Chefai, M. Ben Khalifa, F. Khadri, and K. Hammami Phys Chem Chem Phys 23, 23741-23747 (2021)
	Probing the Chemical Complexity of Amines in the ISM: Detection of Vinylamine (C₂H₃NH₂) and Tentative Detection of Ethylamine (C₂H₅NH₂) S. Zeng, I. Jiménez-Serra, V. M. Rivilla, J. Martín-Pintado, L. F. Rodríguez-Almeida, B. Tercero, P. de Vicente, F. Rico-Villas, L. Colzi, S. Martín, and M. A. Requena-Torres ApJ 920, L27 (2021)
	First detection of C₂H₅NCO in the ISM and search of other isocyanates towards the G+0.693-0.027 molecular cloud L. F. Rodríguez-Almeida, V. M. Rivilla, I. Jiménez-Serra, M. Melosso, L. Colzi, S. Zeng, B. Tercero, P. de Vicente, S. Martín, M. A. Requena-Torres, F. Rico-Villas, and J. Martín-Pintado A&A 654, L1 (2021)
	On the low ortho-to-para H₂ ratio in star-forming filaments A. Lupi, S. Bovino, and T. Grassi A&A 654, L6 (2021)
	Discovery of interstellar 3-cyano propargyl radical, CH₂CCCN C. Cabezas, M. Agúndez, N. Marcelino, B. Tercero, J. R. Pardo, P. de Vicente, and J. Cernicharo A&A 654, L9 (2021)
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	Dust in brown dwarfs and extra-solar planets - VIII. TiO₂ seed formation: 3D Monte Carlo versus kinetic approach C. Köhn, C. Helling, M. Bødker Enghoff, K. Haynes, J. P. Sindel, D. Krog, and D. Gobrecht A&A 654, A120 (2021)
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	Comprehensive Chemistry of HeH⁺ in the Early Universe E. D. S. Courtney, R. C. Forrey, R. T. McArdle, P. C. Stancil, and J. F. Babb ApJ 919, 70 (2021)
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	Interconversion mechanisms of PN and PO in the interstellar medium through simple atom-diatom collisions A. C. Souza, M. X. Silva, and B. R. L. Galvão MNRAS 507, 1899-1903 (2021)
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	The CH₂CH₂ + OH Gas Phase Reaction: Formaldehyde and Acetaldehyde Formation Routes A. Lombardi, L. Mancini, E. Valença Ferreira de Aragão, and L. Giani In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 581-593.
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Published in August
	Further Astrochemical Insights From Bond Strengths of Small Molecules Containing Atoms From the First Three Rows of the Periodic Table E. S. Doerksen and R. C. Fortenberry Front Astron Space Sci 8, 723530 (2021)
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	Molecular Dynamics Simulations of Water Formation and Retention by Micrometeoroid Impact on Lunar Surface Z. Huang, K. Nomura, and J. Wang Geophys Res Lett 48, e2021GL093509 (2021)
	Machine Learning of Interstellar Chemical Inventories K. L. K. Lee, J. Patterson, A. M. Burkhardt, V. Vankayalapati, M. C. McCarthy, and B. A. McGuire ApJL 917, L6 (2021)
	The Ice Chamber for Astrophysics-Astrochemistry (ICA): A new experimental facility for ion impact studies of astrophysical ice analogs P. Herczku, D. V. Mifsud, S. Ioppolo, Z. Juhász, Z. Kaňuchová, S. T. S. Kovács, A. Traspas Muiña, P. A. Hailey, I. Rajta, I. Vajda, N. J. Mason, R. W. McCullough, B. Paripás, and B. Sulik Rev Sci Instr 92, 084501 (2021)
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	X-Ray induced desorption and photochemistry in CO ice R. Dupuy, M. Bertin, G. Féraud, C. Romanzin, T. Putaud, L. Philippe, X. Michaut, P. Jeseck, R. Cimino, V. Baglin and J.-H. Fillion Phys Chem Chem Phys 23, 15965-15979 (2021)
	The CH(X²Π) + H₂O reaction: two transition state kinetics T. L. Nguyen and J. Peeters Phys Chem Chem Phys 23, 16142-16149 (2021)
	A Photoionization Mass Spectrometry Investigation into Complex Organic Molecules Formed in Interstellar Analog Ices of Carbon Monoxide and Water Exposed to Ionizing Radiation A. M. Turner, A. Bergantini, A. S. Koutsogiannis, N. F. Kleimeier, S. K. Singh, C. Zhu, A. K. Eckhardt, and R. I. Kaiser ApJ 916, 74 (2021)
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	Presence of water on exomoons orbiting free-floating planets: a case study P. J. Ávila, T. Grassi, S. Bovino, A. Chiavassa, B. Ercolano, S. O. Danielache, and E. Simoncini Int J Astrobio 20, 300-311 (2021)
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	Rovibrationally resolved direct photodissociation of MgO T. Bai, Z. Qin, and L. Liu MNRAS 505, 2177-2185 (2021)
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	Water and deuterium-to-hydrogen ratio in comets M. Fulle MNRAS 505, 3107-3112 (2021)
	The reactivity of methanimine radical cation (H₂CNH⁺•) and its isomer aminomethylene (HCNH₂⁺•) with C₂H₄ D. Sundelin, D. Ascenzi, V. Richardson, C. Alcaraz, M. Polášek, C. Romanzin, R. Thissen, P. Tosi, J. Žabka, and W. Geppert Chem Phys Lett 777, 138677 (2021)
	A radiolytic origin of organic matter in primitive chondrites and trans-neptunian objects? New clues from ion irradiation experiments M. Faure, E. Quirico, A. Faure, P. Boduch, E. Balanzat, D. Baklouti, R. Brunetto, L. Bonal, P. Beck, and B. Schmitt Icarus 464, 114462 (2021)

Published in July
	Ice lines as the origin for the gap/ring structure in protoplanetary disks: the issue of the assumed temperature profile Y. Liu Res Astron Astrophy 21, 164 (2021)
	Theoretical investigations of structural, spectroscopic and electron collision data of acetone D. Prajapati, P. C. Vinodkumar, C. Limbachiya, and M. Vinodkumar Mol Phys 119, e1948124 (2021)
	Jupiter's "cold" formation in the protosolar disk shadow - An explanation for the planet's uniformly enriched atmosphere K. Ohno and T. Ueda A&A 651, L2 (2021)
	A major asymmetric ice trap in a planet-forming disk - I. Formaldehyde and methanol N. van der Marel, A. S. Booth, M. Leemker, E. F. van Dishoeck, and S. Ohashi A&A 651, L5 (2021)
	A major asymmetric ice trap in a planet-forming disk - II. Prominent SO and SO₂ pointing to C/O < 1 A. S. Booth, N. van der Marel, M. Leemker, E. F. van Dishoeck and S. Ohashi A&A 651, L6 (2021)
	Multifrequency high spectral resolution observations of HCN toward the circumstellar envelope of Y Canum Venaticorum J. P. Fonfría, E. J. Montiel, J. Cernicharo, C. N. DeWitt, M. J. Richter, J. H. Lacy, T. K. Greathouse, M. Santander-García, M. Agúndez, and S. Massalkhi A&A 651, A8 (2021)
	Herschel observations of extraordinary sources: full Herschel/HIFI molecular line survey of Sagittarius B2(M) T. Möller, P. Schilke, A. Schmiedeke, E. A. Bergin, D. C. Lis, Á. Sánchez-Monge, A. Schwörer, and C. Comito A&A 651, A9 (2021)
	Combined hydrodynamic and gas-grain chemical modeling of hot cores - I. One-dimensional simulations C. J. Barger, K. H. Lam, Z.-Y. Li, S. W. Davis, E. Herbst, and R. T. Garrod A&A 651, A43 (2021)
	Compact disks - An explanation to faint CO emission in Lupus disks A. Miotello, G. Rosotti, M. Ansdell, S. Facchini, C. F. Manara, J. P. Williams, and S. Bruderer A&A 651, A48 (2021)
	Water and methanol ice in L 1544 M. Goto, A. I. Vasyunin, B. M. Giuliano, I. Jiménez-Serra, P. Caselli, C. G. Román-Zúñiga, and J. Alves A&A 651, A53 (2021)
	First survey of HCNH⁺ in high-mass star-forming cloud cores F. Fontani, L. Colzi, E. Redaelli, O. Sipilauml;, and P. Caselli A&A* 651, A94 (2021)
	Infrared spectra of complex organic molecules in astronomically relevant ice matrices - III. Methyl formate and its tentative solid-state detection J. Terwisscha van Scheltinga, G. Marcandalli, M. K. McClure, M. R. Hogerheijde, and H. Linnartz A&A 651, A95 (2021)
	Molecular composition of short-period comets from millimetre-wave spectroscopy: 21P/Giacobini-Zinner, 38P/Stephan-Oterma, 41P/Tuttle-Giacobini-Kresák, and 64P/Swift-Gehrels N. Biver, D. Bockelée-Morvan, D. C. Lis, D. Despois, R. Moreno, J. Crovisier, P. Colom, J. Boissier, N. Dello Russo, R. J. Vervack, Jr., M. Cordiner, S. Milam, N. X. Roth, B. P. Bonev, M. A. DiSanti, J. K. Davies, and H. Kawakita A&A 651, A25 (2021)
	Observations of distant comet C/2011 KP36 (Spacewatch): photometry, spectroscopy, and polarimetry O. Ivanova, V. Rosenbush, I. Luk'yanyk, L. Kolokolova, V. Kleshchonok, N. Kiselev, V. Afanasiev, and Z. R. Kirk A&A 651, A29 (2021)
	Isotopes of chlorine from HCl in the Martian atmosphere A. Trokhimovskiy, A. A. Fedorova, K. S. Olsen, J. Alday, O. Korablev, F. Montmessin, F. Lefèvre, A. Patrakeev, D. Belyaev, and A. V. Shakun A&A 651, A32 (2021)
	Detection of Fe and evidence for TiO in the dayside emission spectrum of WASP-33b D. Cont, F. Yan, A. Reiners, N. Casasayas-Barris, P. Mollière, E. Pallé, T. Henning, L. Nortmann, M. Stangret, S. Czesla, M. López-Puertas, A. Sánchez-López, F. Rodler, I. Ribas, A. Quirrenbach, J. A. Caballero, P. J. Amado, L. Carone, J. Khaimova, L. Kreidberg, K. Molaverdikhani, D. Montes, G. Morello, E. Nagel, M. Oshagh, and M. Zechmeister A&A 651, A33 (2021)
	Torsional-rotational spectrum of doubly deuterated dimethyl ether (CH₃OCHD₂) - First ALMA detection in the interstellar medium C. Richard, J. K. Jørgensen, L. Margulès, R. A. Motiyenko, J.-C. Guillemin, and P. Groner A&A 651, A120 (2021)
	Unexplained spectral phenomena in the interstellar medium: an introduction S. Kwok Astrophys Space Sci 366, 67 (2021)
	Organic matter in carbonaceous chondrite lithologies of Almahata Sitta: Incorporation of previously unsampled carbonaceous chondrite lithologies into ureilitic regolith Y. Kebukawa, M.. E. Zolensky, C. A. Goodrich, M. Ito, N. O. Ogawa, Y. Takano, N. Ohkouchi, K. Kiryu, M. Igisu, T. Shibuya, M. A. Marcus, T. Ohigashi, J. Martinez, Y. K., M. H. Shaddad, and P. Jenniskens Meteor Planet Sci 56, 1311-1327 (2021)
	The Detectability Limit of Organic Molecules Within Mars South Polar Laboratory Analogs J. D. Campbell, B. Schmitt, O. Brissaud, and J.-P. Muller J Geophys Res Planets 126, e2020JE006595 (2021)
	Genesis of Polyatomic Molecules in Dark Clouds: CO₂ Formation on Cold Amorphous Solid Water M. Upadhyay, M. Pezzella, and M. Meuwly J Phys Chem Lett 12, 6781-6787 (2021)
	*Electronic Spectroscopy of cis- and trans-meta-Vinylbenzyl Radicals* S. D. Ross, J. Flores, D. M. Hewett, and N. J. Reilly J Phys Chem A 125, 6420-6436 (2021)
	The Intriguing Behavior of Ultraviolet Photodesorption and Color Temperature of Astrophysical CO Ice Analogs: A Possible Indication of Molecular Disorder H. Carrascosa, G. M. Muñoz Caro, C. González-díaz, J. Suevos, and Y.-J. Chen ApJ 916, 1 (2021)
	Milky Way Mid-Infrared Spitzer Spectroscopic Extinction Curves: Continuum and Silicate Features K. D. Gordon, K. A. Misselt, J. Bouwman, G. C. Clayton, M. Decleir, D. C. Hines, Y. Pendleton, G. Rieke, J. D. T. Smith, and D. C. B. Whittet ApJ 916, 33 (2021)
	The 3.3 μm Infrared Emission Feature: Observational and Laboratory Constraints on Its Carrier A. T. Tokunaga and L. S. Bernstein ApJ 916, 52 (2021)
	Mid-J CO Line Observations of Protostellar Outflows in the Orion Molecular Clouds M. Kang, M. Choi, F. Wyrowski, G. Kim, J. H. Bieging, M.-R. Kim, G. Park, S. T. Megeath, Y. Choi, S.-J. Kang, H. Yoo, and P. Manoj ApJS 255, 2 (2021)
	Volcanically extruded phosphides as an abiotic source of Venusian phosphine N. Truong and J. I. Lunine Proc Nat Acad Sci 118, e2021689118 (2021) VOLCANIC ACTIVITY ON VENUS COULD EXPLAIN PHOSPHINE
	Non-energetic, Low-Temperature Formation of C_α-Glycyl Radical, a Potential Interstellar Precursor of Natural Amino Acids A. Schneiker, S. Góbi, P. R. Joshi, G. Bazsó, Y.-P. Lee, and G. Tarczay J Phys Chem Lett 12, 6744-6751 (2021)
	Spectroscopic Characterization of the First and Second Excited States of the HOSO Radical V. J. Esposito, T. Trabelsi, N. Rohacs, and J. S. Francisco J Phys Chem A 125, 6254-6262 (2021)
	The impact of water vapor on the OH reactivity toward CH₃CHO at ultra-low temperatures (21.7-135.0 K): Experiments and theory E. M. Neeman, D. González, S. Blázquez, B. Ballesteros, A. Canosa, M. Antiñolo, L. Vereecken, J. Albaladejo, and E. Jiménez J Chem Phys 155, 034306 (2021)
	Assessment of Isoprene as a Possible Biosignature Gas in Exoplanets with Anoxic Atmospheres Z. Zhan, S. Seager, J. J. Petkowski, C. Sousa-Silva, S. Ranjan, J. Huang, and W. Bains Astrobio 7, 765-792 (2021)
	Degradation of Amino Acids on Mars by UV Irradiation in the Presence of Chloride and Oxychlorine Salts D. Liu and S. P. Kounaves Astrobio 7, 793-801 (2021)
	No evidence of phosphine in the atmosphere of Venus from independent analyses G. L. Villanueva, M. Cordiner, P. G. J. Irwin, I. de Pater, B. Butler, M. Gurwell, S. N. Milam, C. A. Nixon, S. H. Luszcz-Cook, C. F. Wilson, V. Kofman, G. Liuzzi, S. Faggi, T. J. Fauchez, M. Lippi, R. Cosentino, A. E. Thelen, A. Moullet, P. Hartogh, E. M. Molter, S. Charnley, G. N. Arney, A. M. Mandell, N. Biver, A. C. Vandaele, K. R. de Kleer, and R. Kopparapu Nature Astron 5, 631-635 (2021)
	Reply to: No evidence of phosphine in the atmosphere of Venus from independent analyses J. S. Greaves, A. M. S. Richards, W. Bains, P. B. Rimmer, D. L. Clements, S. Seager, J. J. Petkowski, C. Sousa-Silva, S. Ranjan, and H. J. Fraser Nature Astron 5, 636-639 (2021)
	Phosphine gas in the cloud decks of Venus J. S. Greaves, A. M. S. Richards, W. Bains, P. B. Rimmer, H. Sagawa, D. L. Clements, S. Seager, J. J. Petkowski, C. Sousa-Silva, S. Ranjan, E. Drabek-Maunder, H. J. Fraser, A. Cartwright, I. Mueller-Wodarg, Z. Zhan, P. Friberg, I. Coulson, E. Lee, and J. Hoge Nature Astron 5, 655-664 (2021) PHOSPHINE ON VENUS
	Water activity in Venus's uninhabitable clouds and other planetary atmospheres J. E. Hallsworth, T. Koop, T. D. Dallas, M.-P. Zorzano, J. Burkhardt, O. V. Golyshina, J. Martín-Torres, M. K. Dymond, P. Ball, and C. P. McKay Nature Astron 5, 665-675 (2021)
	An inherited complex organic molecule reservoir in a warm planet-hosting disk A. S. Booth, C. Walsh, J. Terwisscha van Scheltinga, E. F. van Dishoeck, J. D. Ilee, M. R. Hogerheijde, M. Kama, and H. Nomura Nature Astron 5, 684-690 (2021)
	Addendum: Phosphine gas in the cloud decks of Venus J. S. Greaves, A. M. S. Richards, W. Bains, P. B. Rimmer, H. Sagawa, D. L. Clements, S. Seager, J. J. Petkowski, C. Sousa-Silva, S. Ranjan, E. Drabek-Maunder, H. J. Fraser, A. Cartwright, I. Mueller-Wodarg, Z. Zhan, P. Friberg, I. Coulson, E. Lee, and J. Hoge Nature Astron 5, 726-728 (2021)
	The ¹³CO-rich atmosphere of a young accreting super-Jupiter Y. Zhang, I. A. G. Snellen, A. J. Bohn, P. Mollière, C. Ginski, H. J. Hoeijmakers, M. A. Kenworthy, E. E. Mamajek, T. Meshkat, M. Reggiani, and F. Snik Nature 595, 370-372 (2021)
	Evolution of Ephemeral Phosphate Minerals on Planetary Environments T. Feng, M. Gull, A. Omran, H. Abbott-Lyon, and M. A. Pasek ACS Earth Space Chem 5, 1647-1656 (2021)
	Structural responses of model biomembranes to Mars-relevant salts S. Kriegler, M. Herzog, R. Oliva, S. Gault, C. S. Cockell, and R. Winter Phys Chem Chem Phys 23, 14212-14223 (2021)
	C₁₄H₁₀ polycyclic aromatic hydrocarbon formation by acetylene addition to naphthalenyl radicals observed J. Yang, M. C. Smith, M. B. Prendergast, T.-C. Chu, and W. H. Green Phys Chem Chem Phys 23, 14325-14339 (2021)
	Five vs. six membered-ring PAH products from reaction of o-methylphenyl radical and two C₃H₄ isomers O. J. Shiels, M. B. Prendergast, J. D. Savee, D. L. Osborn, C. A. Taatjes, S. J. Blanksby, G. da Silva, and A. J. Trevitt Phys Chem Chem Phys 23, 14913-14924 (2021)
	Thermal History of Asteroid Parent Bodies Is Reflected in Their Metalorganic Chemistry M. Matzka, M. Lucio, B. Kanawati, E. Quirico, L. Bonal, S. Loehle, and P. Schmitt-Kopplin ApJL 915, L7 (2021)
	Phase Transition of Interstellar CO Ice J. He, F. E. Toriello, S. M. Emtiaz, T. Henning, and G. Vidali ApJL 915, L23 (2021)
	Collisional Growth and Fragmentation of Dust Aggregates with Low Mass Ratios. I. Critical Collision Velocity for Water Ice Y. Hasegawa, T. K. Suzuki, H. Tanaka, H. Kobayashi, and K. Wada ApJ 915, 22 (2021)
	Probing Microporous ASW with Near-infrared Spectroscopy: Implications for JWST's NIRSpec P. D. Tribbett, S. C. Tegler, and M. J. Loeffler ApJ 915, 40 (2021)
	Laboratory Detection of Cyanoacetic Acid: A Jet-cooled Rotational Study M. Sanz-Novo, I. León, E. R. Alonso, L. Kolesniková, and J. L. Alonso ApJ 915, 76 (2021)
	Atomic Carbon in the Central Molecular Zone of the Milky Way: Possible Cosmic-Ray Induced Chemistry or Time-dependent Chemistry Associated with SNR Sagittarius A East K. Tanaka, M. Nagai, and K. Kamegai ApJ 915, 79 (2021)
	State-to-state Rate Constants for the H + LiH(v₀ = 0, j₀ = 0) Reaction: An Accurate Nonadiabatic Dynamical Study W. Li, L. Cui, W. Xing, and J. Wang ApJ 915, 104 (2021)
	Depolarization of MgH Solar Lines by Collisions with Hydrogen Atoms S. Qutub, Y. Kalugina, and M. Derouich ApJ 915, 122 (2021)
	Dust changes in Sakurai's Object: new PAHs and SiC with coagulation of submicron-sized silicate dust into 10 μm-sized melilite grains J. E. Bowey MNRAS 504, 568-581 (2021)
	Formation of chiral CO polyhedral crystals on icy interstellar grains A. Kouchi, M. Tsuge, T. Hama, H. Niinomi, N. Nakatani, T. Shimonishi, Y. Oba, Y. Kimura, S. Sirono, S. Okuzumi, M. Momose, K. Furuya, and N. Watanabe MNRAS 504, 1530-1542 (2021)
	D/H in the refractory organics of comet 67P/Churyumov-Gerasimenko measured by Rosetta/COSIMA J. A. Paquette, N. Fray, A. Bardyn, C. Engrand, C. M. O'D. Alexander, S. Siljeström, H. Cottin, S. Merouane, R. Isnard, O. J. Stenzel, H. Fischer, J. Rynö, J. Kissel, and M. Hilchenbach MNRAS 504, 4940-4951 (2021)
	The properties of polycyclic aromatic hydrocarbons in galaxies: constraints on PAH sizes, charge and radiation fields D. Rigopoulou, M. Barale, D. C. Clary, X. Shan, A. Alonso-Herrero, I. García-Bernete, L. Hunt, B. Kerkeni, M. Pereira-Santaella, and P. F. Roche MNRAS 504, 5287-5300 (2021)
	Neutral-neutral synthesis of organic molecules in cometary comae M. A. Cordiner and S. B. Charnley MNRAS 504, 5401-5408 (2021)
	Detection of complex organic molecules in young starless core L1521E S. Scibelli, Y. Shirley, A. Vasyunin, and R. Launhardt MNRAS 504, 5754-5767 (2021)
	ExoMol molecular line lists - XLII. Rovibronic molecular line list for the low-lying states of NO Q. Qu, S. N. Yurchenko, and J. Tennyson MNRAS 504, 5768-5777 (2021)
	Impact of surface heterogeneity on IR line profiles of adsorbed carbon monoxide on models of interstellar grain surfaces S. Taj, A. Rosu-Finsen, and M. R. S. McCoustra MNRAS 504, 5806-5812 (2021)
	Observed CN and HCN intensity ratios exhibit subtle variations in extreme galaxy environments B. Ledger, C. D. Wilson, T. Michiyama, D. Iono, S. Aalto, T. Saito, A. Bemis, and R. Aladro MNRAS 504, 5863-5879 (2021)
	The reactivity of methanimine radical cation (H₂CNH⁺) and its isomer aminomethylene (HCNH+ 2) with methane V. Richardson, C. Alcaraz, W. D. Geppert, M. Poláőek, C. Romanzi, D. Sundelin, R. Thissen, P. Tosi, J. Žabka, and D. Ascenzi Chem Phys Lett 775, 138611 (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)

Published in June
	Formation of the BeH⁺ and Be⁺+ Molecules in Be⁺ + H/D Collisions Through Radiative Association P. Szabó, S. Góger, and M. Gustafsson Front Astron Space Sci 8, 704953 (2021)
	Rotational Spectra of Three Cyanobutadiene Isomers (C₅H₅N) of Relevance to Astrochemistry and Other Harsh Reaction Environments M. A. Zdanovskaia, P. M. Dorman, V. L. Orr, A. N. Owen, S. M. Kougias, B. J. Esselman, R. Cl. Woods, and R. J. McMahon J Am Chem Soc 143, 9551-9564 (2021)
	Electron irradiation and thermal chemistry studies of interstellar and planetary ice analogues at the ICA astrochemistry facility D. V. Mifsud, Z. Juhász, P. Herczku, S. T. S. Kovács, S. Ioppolo, Z. Kaňuchová, M. Czentye, P. A. Hailey, A. Traspas Muiña, N. J. Mason, R. W. McCullough, B. Paripás and B. Sulik Eur Phys J D 75, 182 (2021)
	Laboratory spectroscopy for astrophysics: Festschrift for Stephan Schlemmer P. Jensen, J. Oomens, O. Asvany, S. Thorwirth, and Holger S. P. Müller J Mol Spectrosc 379, 111492 (2021)
	High-resolution infrared study of vinyl acetylene: The ν₁₃ (214 cm^–1) and ν₁₈ (304 cm^–1) fundamentals C. P. Endres, G. C. Mellau, M. E. Harding, M.-A. Martin-Drumel, H. Lichau, and S. Thorwirth J Mol Spectrosc 379, 111469 (2021)
	Infrared predissociation spectroscopy of protonated methyl cyanide, CH₃CNH⁺ A. N. Marimuthu, F. Huis in't Veld, S. Thorwirth, B. Redlich, and S. Brünken J Mol Spectrosc 379, 111477 (2021)
	Multiple helium tagging and OH vibrational spectroscopy of cold protonated glycine ions K. Geistlinger, F. Dahlmann, T. Michaelsen, M. Ončák, E. Endres, and R. Wester J Mol Spectrosc 379, 111479 (2021)
	Submillimeter wave spectroscopy of propanoic acid (CH₃CH₂COOH) and its ISM search V. V. Ilyushin, L. Margulès, B. Tercero, R. A. Motiyenko, O. Dorovskaya, E. A. Alekseev, E. R. Alonso, L. Kolesniková, J. Cernicharo, and J. C. Guillemin J Mol Spectrosc 379, 111454 (2021)
	Forbidden rotational transitions and astrophysics T. Oka J Mol Spectrosc 379, 111482 (2021)
	Cross Sections for Electron Collisions with H₂O M.-Y. Song, H. Cho, G. P. Karwasz, V. Kokoouline, Y. Nakamura, J. Tennyson, A. Faure, N. J. Mason, and Y. Itikawa J Phys Chem Ref Data 50, 023103 (2021)
	Network-Based Design of Near-Infrared Lamb-Dip Experiments and the Determination of Pure Rotational Energies of H₂¹⁸O at kHz Accuracy M. L. Diouf, R. Tóbiás, I. Simkó, F. M. J. Cozijn, E. J. Salumbides, W. Ubachs, and A. G. Császár J Phys Chem Ref Data 50, 023106 (2021)
	Vacuum-Ultraviolet Absorption Spectra of Icy C₂H₄ at 13-60 K J.-I. Lo, R. Ghosh, H.-C. Lu, W.-H. Hung, and B.-M. Cheng Front Astron Space Sci 8, 700641 (2021)
	Accurate High-Level Ab Initio-Based Global Potential Energy Surface and Quantum Dynamics Calculation for the First Excited State of CH+ 2 H. Ma, C. Zhang, Y. Song, F. Ma, and Y. Li J Phys Chem A 125, 5490-5498 (2021)
	Infrared Spectroscopy of Chemically Diverse Carbon Clusters: A Data-Driven Approach F. Calvo, A. Simon, P. Parneix, C. Falvo, and C. Dubosq J Phys Chem A 125, 5509-5518 (2021)
	Synthesis, Purification, and Rotational Spectroscopy of (Cyanomethylene)Cyclopropane-An Isomer of Pyridine B. J. Esselman, S. M. Kougias, M. A. Zdanovskaia, R. C. Woods, and R. J. McMahon J Phys Chem A 125, 5601-5614 (2021)
	Combined experimental and theoretical study on photoionization cross sections of benzonitrile and o/m/p-cyanotoluene J. Huang, C. Huang, X. Wu, Q. Hou, G. Tian, J. Yang, and F. Zhang J Chem Phys 154, 244301 (2021)
	Probable Detection of Water Ice in the Coma of the Inbound Long-period Comet C/2017 K2 (PanSTARRS) T. Kareta, W. M. Harris, and V. Reddy Res Notes AAS 5, 153 (2021)
	Cumulene carbenes in TMC-1: Astronomical discovery of l-H₂C₅ C. Cabezas, B. Tercero, M. Agúndez, N. Marcelino, J. R. Pardo, P. de Vicente, and J. Cernicharo A&A 650, L9 (2021)
	The sulphur saga in TMC-1: Discovery of HCSCN and HCSCCH J. Cernicharo, C. Cabezas, Y. Endo, M. Agúndez, B. Tercero, J. R. Pardo, N. Marcelino, and P. de Vicente A&A 650, L14 (2021)
	Detection of deuterated methylcyanoacetylene, CH₂DC₃N, in TMC-1 C. Cabezas, E. Roueff, B. Tercero, M. Agúndez, N. Marcelino, P. de Vicente, and J. Cernicharo A&A 650, L15 (2021)
	The similarity of the interstellar comet 2I/Borisov to Solar System comets from high-resolution optical spectroscopy C. Opitom, E. Jehin, D. Hutsemékers, Y. Shinnaka, J. Manfroid, P. Rousselot, S. Raghuram, H. Kawakita, A. Fitzsimmons, K. Meech, M. Micheli, C. Snodgrass, B. Yang, and O. Hainaut A&A 650, L19 (2021)
	Formation of formaldehyde through methanol-ice-mantle (CH₃OH)₁₀ bombardment by OH⁺ cation N. Inostroza-Pino, D. MacLeod-Carey, C. Heyser, D. Mardones, C. Espinoza, and J. Ge A&A 650, A169 (2021)
	Formation of complex organic molecules in molecular clouds: acetaldehyde, vinyl alcohol, ketene, and ethanol via the "energetic" processing of C₂H₂ ice K.-J. Chuang, G. Fedoseev, C. Scirè, G. A. Baratta, C. Jäger, T. Henning, H. Linnartz, and M. E. Palumbo A&A 650, A85 (2021)
	The CH radical at radio wavelengths: revisiting emission in the 3.3 GHz ground-state lines A. M. Jacob, K. M. Menten, H. Wiesemeyer, and G. N. Ortiz-León A&A 650, A133 (2021)
	Complex organic molecules in low-mass protostars on Solar System scales - II. Nitrogen-bearing species P. Nazari, M. L. van Gelder, E. F. van Dishoeck, B. Tabone, M. L. R. van't Hoff, N. F. W. Ligterink, H. Beuther, A. C. A. Boogert, A. Caratti o Garatti, P. D. Klaassen, H. Linnartz, V. Taquet, and Ł. Tychoniec A&A 650, A150 (2021)
	Linking ice and gas in the λ Orionis Barnard 35A cloud G. Perotti, J. K. Jørgensen, H. J. Fraser, A. N. Suutarinen, L. E. Kristensen, W. R. M. Rocha, P. Bjerkeli, and K. M. Pontoppidan A&A 650, A168 (2021)
	ALMA observations of doubly deuterated water: inheritance of water from the prestellar environment S. S. Jensen, J. K. Jørgensen, L. E. Kristensen, A. Coutens, E. F. van Dishoeck, K. Furuya, D. Harsono, and M. V. Persson A&A 650, A172 (2021)
	X-ray-induced chemistry of water and related molecules in low-mass protostellar envelopes S. Notsu, E. F. van Dishoeck, C. Walsh, A. D. Bosman, and H. Nomura A&A 650, A180 (2021)
	OH mid-infrared emission as a diagnostic of H₂O UV photodissociation - I. Model and application to the HH 211 shock B. Tabone, M. C. van Hemert, E. F. van Dishoeck, and J. H. Black A&A 650, A192 (2021)
	Intermediate-size fullerenes as degradation products of interstellar polycyclic aromatic hydrocarbons A. Omont and H. F. Bettinger A&A 650, A193 (2021)
	Identification of pre-stellar cores in high-mass star forming clumps via H₂D⁺ observations with ALMA E. Redaelli, S. Bovino, A. Giannetti, G. Sabatini, P. Caselli, F. Wyrowski, D. R. G. Schleicher, and D. Colombo A&A 650, A202 (2021)
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Published in May
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	A Search for Cloud Cores Affected by Shocked Carbon Chain Chemistry in L1251 X.-C. Liu, Y. Wu, C. Zhang, X. Chen, L.-H. Lin, S.-L. Qin, T. Liu, C. Henkel, J. Wang, H.-L. Liu, J. Yuan, L.-X. Yuan, J. Li, Z.-Q. Shen, D. Li, J. Esimbek, K. Wang, L.-X. Li, Kee-Tae Kim, L. Zhu, D. Madones, N. Inostroza-Pino, F.-Y. Meng, T. Zhang, K. Tatematsu, Y. Xu, B.-G. Ju, A. Kraus, and F.-W. Xu ApJ 912, 148 (2021)
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	An Aromatic Universe - A Physical Chemistry Perspective R. I. Kaiser and N. Hansen J Phys Chem A 125, 3826-3840 (2021) COVER ARTICLE
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	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)
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Published in March 2021
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	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)
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Published in February 2021
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Published in January 2021
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