(abstract links go to journal pages; abbreviations are expanded on the JOURNALS link page)	11312 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 19 September 2021
	Properties of transitions between X3Σ–, A3Π, a1Δ, b1Σ+, and c1Π states of NH radicals M. Zhou and Z. Zhu Comp Theor Chem 1204, 113358 (2021)
	Isotopic fractionation of water and its photolytic products in the atmosphere of Mars J. Alday, A. Trokhimovskiy, P. G. J. Irwin, C. F. Wilson, F. Montmessin, F. Lefévre, A. A. Fedorova, D. A. Belyaev, K. S. Olsen, O. Korablev, M. Vals, L. Rossi, L. Baggio, J.-L. Bertaux, A. Patrakeev, and A. Shakun Nature Astron 5, 943-950 (2021)
	Knowledge Gaps in the Cometary Spectra of Oxygen-bearing Molecular Cations R. C. Fortenberry, D. Bodewits, and D. M. Pierce ApJS 256, 6 (2021)
	TIMES. I. A Systematic Observation in Multiple Molecular Lines toward the Orion A and Ophiuchus Clouds H.-S. Yun, J.-E. Lee, Y. Choi, N. J. Evans II, S. S. R. Offner, M. H. Heyer, B. A. L. Gaches, Y.-H. Lee, G. Baek, M. Choi, H. Kang, S. Lee, K. Tatematsu, Y.-L. Yang, H.-H. Chen, Y. Lee, J. Jung, C. Lee, and J. Cho ApJS 256, 16 (2021)
	Quantitative evaluation of the feasibility of sampling the ice plumes at Enceladus for biomarkers of extraterrestrial life J. S. New, B. Kazemi, V. Spathis, M. C. Price, R. A. Mathies, and A. L. Butterworth Proc Nat Acad Sci 118, e2106197118 (2021)
	Adsorption of Helium on Small Cationic PAHs: Influence of Hydrocarbon Structure on the Microsolvation Pattern A. Schiller, M. Meyer, P. Martini, F. Zappa, S. A. Krasnokutski, F. Calvo, and P. Scheier J Phys Chem A 125, 7813-7824 (2021) COVER ARTICLE
	Hyperfine-Resolved Near-Infrared Spectra of H217O M. Melosso, M. L. Diouf, L. Bizzocchi, M. E. Harding, F. M. J. Cozijn, C. Puzzarini, and W. Ubachs J Phys Chem A 125, 7884-7890 (2021)
	Absolute Photoionization Cross Section of the Simplest Enol, Vinyl Alcohol D. Rösch, R. L. Caravan, C. A. Taatjes, K. Au, R. Almeida, and D. L. Osborn J Phys Chem A 125, 7920-7928 (2021)
	Semi-Experimental Equilibrium (rSE e) and Theoretical Structures of Pyridazine (o-C4H4N2) A. N. Owen, M. A. Zdanovskaia, B. J. Esselman, J. F. Stanton, R. C. Woods, and R. J. McMahon J Phys Chem A 125, 7976-7987 (2021)
	HD-H+ collisions: statistical and quantum state-to-state studies B. Desrousseaux, M. Konings, J. Loreau, and F. Lique Phys Chem Chem Phys 23, 19202-19208 (2021)
	Vibrational spectrum and photochemistry of phosphaketene HPCO W. Qian, B. Lu, G. Tan, G. Rauhut, H. Grützmacher, and X. Zeng Phys Chem Chem Phys 23, 19237-19243 (2021)
	The Nature and Composition of Jupiter's Building Blocks Derived from the Water Abundance Measurements by the Juno Spacecraft O. Mousis, J. I. Lunine, and A. Aguichine ApJL 918, L23 (2021)
	Transmission Electron Microscopy Study of the Morphology of Ices Composed of H2O, CO2, and CO on Refractory Grains A. Kouchi, M. Tsuge, T. Hama, Y. Oba, S. Okuzumi, S. Sirono, M. Momose, N. Nakatani, K. Furuya, T. Shimonishi, T. Yamazaki, H. Hidaka, Y. Kimura, K. Murata, K. Fujita, S. Nakatsubo, S. Tachibana, and N. Watanabe ApJ 918, 45 (2021)
	Experimental and Computational Studies on the Physicochemical Behavior of Phosphine Induced by Reactions with H and D Atoms on Interstellar Ice Grains T. Nguyen, Y. Oba, W. M. C. Sameera, A. Kouchi, and N. Watanabe ApJ 918, 73 (2021)
	Gas-phase Formation of Cationic Fullerene/Amino Acid Clusters: Evidence for the "Magic Number" Chemical Reactivity of Fullerene Cations X. Hu, D. Zhang, Y. Yang, Y. Chen, L. Qin, and J. Zhen ApJ 918, 81 (2021)
	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.
	Free-Methane - from the Ionosphere of Mars Towards a Prototype Methanation Reactor: A Project Producing Fuels via Plasma Assisted Carbon Dioxide Hydrogenation S. Falcinelli, M. Rosi, M. Parriani, and A. Laganà In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 594-607.
	Ab initio Calculation of Binding Energies of Interstellar Sulphur-Containing Species on Crystalline Water Ice Models J. Perrero, A. Rimola, M. Corno, and P. Ugliengo In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 608-619.
	A Computational Study on the Attack of Nitrogen and Oxygen Atoms to Toluene M. Rosi, S. Falcinelli, P. Casavecchia, N. Balucani, P. Recio, A. Caracciolo, G. Vanuzzo, D. Skouteris, and C. Cavallotti In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 620-631.
	Computing Binding Energies of Interstellar Molecules by Semiempirical Quantum Methods: Comparison Between DFT and GFN2 on Crystalline Ice A. Germain, M. Corno, and P. Ugliengo In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 632-645.
	Autoionization Processes Involving Molecules of Atmospheric Interest: A Computational Test for Ne*-N2 System S. Falcinelli, F. Vecchiocattivi, and F. Pirani In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 646-657.
	Computational Investigation on the Thermodynamics of H2CO + NH2 → NH2CHO + H on Interstellar Water Ice Surfaces B. Martínez-Bachs and A. Rimola In Computational Science and Its Applications–ICCSA 2021. Lecture Notes in Computer Science, vol 12953. O. Gervasi et al. (eds). Springer, 2021, 658-666.

New Articles from Last Week
	Probing the kinematics and chemistry of the hot core Mon R2 IRS 3 using ALMA observations A. Fuente, S. P. Treviño-Morales, T. Alonso-Albi, A. Sánchez-Monge, P. Rivière-Marichalar, and D. Navarro-Almaida MNRAS 507, 1886-1898 (2021)
	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)
	Hydrogenation of glycolaldehyde to ethylene glycol at 10 K K. Leroux, J.-C. Guillemin, and L. Krim MNRAS 507, 2632-2642 (2021)
	The Chemical Inventory of the Planet-hosting Disk PDS 70 S. Facchini, R. Teague, J. Bae, M. Benisty, M. Keppler, and A. Isella AJ 162, 99 (2020)
	Chemical Complexity of Phosphorous-bearing Species in Various Regions of the Interstellar Medium M. Sil, S. Srivastav, B. Bhat, S. K. Mondal, P. Gorai, R. Ghosh, T. Shimonishi, S. K. Chakrabarti, B. Sivaraman, A. Pathak, N. Nakatani, K. Furuya, and A. Das AJ 162, 119 (2020)

Published in November
	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
	Non-adiabatic quantum dynamics studies of the Mg+(3P) + D2 → MgD+ + D reaction Y. Mao, Z. Yang, B. Buren, and M. Chen Chem Phys 550, 111311 (2021)
	Quantum calculations for the abstraction and exchange channels of the H + SH+(ν0 = 0, j0 = 0) reaction W. Li, Y. Liang, and W. Xing Chem Phys 550, 111306 (2021)
	HCN/HNC chemistry in shocks: a study of L1157-B1 with ASAI B. Lefloch, G. Busquet, S. Viti, C. Vastel, E. Mendoza, M. Benedettini, C. Codella, L. Podio, A. Schutzer, P. R. Rivera-Ortiz, J. R. D. Lépine, and R. Bachiller MNRAS 507, 1034-1046 (2021)
	Migration of Water Molecules in the Permanently Shaded Areas of Polar Areas of Mercury E. A. Feoktistova, A. Y. Zharkova, A. A. Kokhanov, and Z. F. Rodionova Earth Moon Planets 125, 5 (2021)
	Growth of aggregates with liquid-like ice shells in protoplanetary discs G. Musiolik MNRAS 506, 5153-5159 (2021)
	Testing tholins as analogues of the dark reddish material covering Pluto's Cthulhu region M. Fayolle, E. Quirico, B. Schmitt, L. Jovanovic, T. Gautier, N. Carrasco, W. Grundy, V. Vuitton, O. Poch, S. Protopapa, L. Young, D. Cruikshank, C. Dalle Ore. T. Bertrand, A. Stern and the New Horizons Surface Composition Science Theme Teamn Icarus 367, 114574 (2021)

Published in September
	Identification of Glycolaldehyde Enol (HOHC=CHOH) in Interstellar Analogue Ices N. F. Kleimeier, A. K. Eckhardt, and R. I. Kaiser J Am Chem Soc 143, 14009-14018 (2021)
	Direct evidence for a radiation-induced synthesis of acetonitrile and isoacetonitrile from a 1:1 CH4⋯HCN complex at cryogenic temperatures: is it a missing link between inorganic and prebiotic astrochemistry? A. D. Volosatova, M. A. Lukianova, P. V. Zasimov, and V. I. Feldman Phys Chem Chem Phys 23, 18449-18460 (2021)
	Fitting potential energy and induced dipole surfaces of the van der Waals complex CH4-N2 using non-product quadrature grids A. A. Finenko, D. N. Chistikov, Y. N. Kalugina, E. K. Conway, and I. E. Gordon Phys Chem Chem Phys 23, 18475-18494 (2021)
	A molecular beam and computational study on the barrierless gas phase formation of (iso)quinoline in low temperature extraterrestrial environments L. Zhao, M. Prendergast, R. I. Kaiser, B. Xu, W. Lu, M. Ahmed, A. H. Howlader, S. F. Wnuk, A. S. Korotchenko, M. M. Evseev, E. K. Bashkirov, V. N. Azyazov, and A. M. Mebel Phys Chem Chem Phys 23, 18495-18505 (2021)
	Directed gas-phase preparation of the elusive phosphinosilylidyne (SiPH2, X2A") and cis/trans phosphinidenesilyl (HSiPH; X2A') radicals under single-collision conditions C. He, S. J. Goettl, Z. Yang, S. Doddipatla, R. I. Kaiser, M. X. Silva, and B. R. L. Galvão Phys Chem Chem Phys 23, 18506-18516 (2021)
	Catalyzed reaction of isocyanates (RNCO) with water M. E. Wolf, J. E. Vandezande, and H. F. Schaefer III Phys Chem Chem Phys 23, 18535-18546 (2021)
	Reimagining the Water Snowline A. D. Bosman and E. A. Bergin ApJL 918, L10 (2021)
	Constraining Spatial Densities of Early Ice Formation in Small Dense Molecular Cores from Extinction Maps L. E. U. Chu and K. W. Hodapp ApJ 918, 2 (2021)
	Tracing PAH Size in Prominent Nearby Mid-Infrared Environments C. Knight, E. Peeters, D. J. Stock, W. D. Vacca, and A. G. G. M. Tielens ApJ 918, 8 (2021)
	Measuring and Replicating the 1-20 μm Energy Distributions of the Coldest Brown Dwarfs: Rotating, Turbulent, and Nonadiabatic Atmospheres S. K. Leggett, Pascal Tremblin, M. W. Phillips, T. J. Dupuy, M. Marley, C. Morley, A. Schneider, D. Caselden, C. Guillaume, and S. E. Logsdon ApJ 918, 11 (2021)
	Rotational (de-)excitation of oxophosphine (HPO) by collision with helium (He) H. El Hanini, M. Naouai, A. Jrad, F. Najar, and N.-E. Jaidane Comp Theor Chem 1203, 113355 (2021)
	Modeling the infrared cascade spectra of small PAHs: the 11.2 μm band C. J. Mackie, A. Candian, T. J. Lee, and A. G. G. M. Tielens Theor Chem Acct 140, 124 (2021)
	Sulfur chemistry in the atmospheres of warm and hot Jupiters R. Hobbs, P. B. Rimmer, O. Shorttle, and N. Madhusudhan MNRAS 506, 3186-3204 (2021)
	Implications of surface roughness in models of water desorption on the Moon B. J. R. Davidsson and S. Hosseini MNRAS 506, 3421-3429 (2021)
	C2H2...CO complex and its radiation-induced transformations: a building block for cold synthetic astrochemistry P. V. Zasimov, S. V. Ryazantsev, D. A. Tyurin, and V. I. Feldman MNRAS 506, 3499-3510 (2021)
	iCOM formation from radical chemistry: a mechanistic study from cryogenic matrix coupled with IR and EPR spectroscopies A. Gutiérrez-Quintanilla, Y. Layssac, T. Butscher, S. Henkel, Y. A. Tsegaw, D. Grote, W. Sander, F. Borget, T. Chiavassa, and F. Duvernay MNRAS 506, 3734-3750 (2021)
	How much water was delivered from the asteroid belt to the Earth after its formation? R. G. Martin and M. Livio MNRASL 506, L6-L10 (2021)
	Detection of the cyanomidyl radical (HNCN): a new interstellar species with the NCN backbone V. M. Rivilla, I. Jiménez-Serra, J. García de la Concepción, J. Martín-Pintado, L. Colzi, L. F. Rodríguez-Almeida, B. Tercero, F. Rico-Villas, S. Zeng, S. Martín, M. A. Requena-Torres, and P. de Vicente MNRASL 506, L79-L84 (2021)
	A crossed molecular beam investigation of the N(2D) + pyridine reaction and implications for prebiotic chemistry P. Recio, D. Marchione, A. Caracciolo, V. J. Murray, L. Mancini, M. Rosi, P. Casavecchia, and N. Balucani Chem Phys Lett 779, 138852 (2021)
	Cosmic symplectite recorded irradiation by nearby massive stars in the solar system's parent molecular cloud L. G. Vacher, R. C. Ogliore, C. Jones, N. Liu, and D. A. Fike Geochim Cosmochim Acta 309, 135-150 (2021)
	Formation of aminomethanol in ammonia-water interstellar ice K. K. Singh, P. Tandon, R. Kumar, A. Misra, Shivani, M. Yadav, A. Ahmad, and M. K. Chaudhary MNRAS 506, 2059-2065 (2021)
	H2 molecular gas absorption-selected systems trace CO molecular gas-rich galaxy overdensities A. Klitsch, C. Péroux, M. A. Zwaan, A. De Cia, C. Ledoux, and S. Lopez MNRAS 506, 514-522 (2021)
	Molecular line signatures of cloud-cloud collisions F. D. Priestley and A. P. Whitworth MNRAS 506, 775-780 (2021)
	Synthesis of the first nitrogen-heterocycles in interstellar ice analogues containing methylamine (CH3NH2) exposed to UV radiation: formation of trimethylentriamine (TMT, c-(-CH2-NH)3) and hexamethylentetramine (HMT, (CH2)6N4) H. Carrascosa, C. González Díaz, G. M. Muñoz Caro, P. C. Gómez, and M. L. Sanz MNRAS 506, 791-805 (2021)
	Rotational (de)-excitation of HMgNC in collision with He M. A. Amor, K. Hammami, and L. Wiesenfeld MNRAS 506, 957-962 (2021)
	On the formation of deuterated methyl formate in hot corinos Z. Awad, A. Coutens, S. Viti, and J. Holdship MNRAS 506, 1019-1030 (2021)
	How does thermal scattering shape the infrared spectra of cloudy exoplanets? A theoretical framework and consequences for atmospheric retrievals in the JWST era J. Taylor, V. Parmentier, M. R. Line, E. K. H. Lee, P. G. J. Irwin, and S. Aigrain MNRAS 506, 1309-1332 (2021)
	Water production rates from SOHO/SWAN observations of six comets: 2017-2020 M. R. Combi, Y. Shou, T. Mäkinen, J.-L. Bertaux, E. Quémerais, S. Ferron, and R. Coronel Icarus 365, 114509 (2021)

Published in August
	Meridional Variations of C2H2 in Jupiter's Stratosphere From Juno UVS Observations R. S. Giles, T. K. Greathouse, V. Hue, G. R. Gladstone, H. Melin, L. N. Fletcher, P. G. J. Irwin, J. A. Kammer, M. H. Versteeg, B. Bonfond, D. C. Grodent, S. J. Bolton, and S. M. Levin J Geophys Res Planets 126, e2021JE006928 (2021)
	Infrared spectroscopy of carbocations upon electron ionization of ethylene in helium nanodroplets S. Erukala, A. Feinberg, A. Singh, and A. F. Vilesov J Chem Phys 155, 084306 (2021)
	The unidentified infrared bands and the spectrum of atomic hydrogen F. Zagury A&A 652, L5 (2021)
	Discovery of benzyne, o-C6H4, in TMC-1 with the QUIJOTE line survey J. Cernicharo, M. Agúndez, R. I. Kaiser, C. Cabezas, B. Tercero, N. Marcelino, J. R. Pardo, and P. de Vicente A&A 652, L9 (2021)
	Detection of interstellar H2CCCHC3N - A possible link between chains and rings in cold cores C. N. Shingledecker, K. L. K. Lee, J. T. Wandishin, N. Balucani, A. M. Burkhardt, S. B. Charnley, R. Loomis, M. Schreffler, M. Siebert, M. C. McCarthy, and B. A. McGuire A&A 652, L12 (2021)
	Magnesium radicals MgC5N and MgC6H in IRC +10216 J. R. Pardo, C. Cabezas, J. P. Fonfría, M. Agúndez, B. Tercero, P. de Vicente, M. Guélin, and J. Cernicharo A&A 652, L13 (2021)
	A study of submillimeter methanol absorption toward PKS 1830-211: - Excitation, invariance of the proton-electron mass ratio, and systematics S. Muller, W. Ubachs, K. M. Menten, C. Henkel, and N. Kanekar A&A 652, A5 (2021)
	Photodissociation of aliphatic PAH derivatives under relevant astrophysical conditions A. Marciniak, C. Joblin, G. Mulas, V. Rao Mundlapati, and A. Bonnamy A&A 652, A42 (2021)
	Efficiency of non-thermal desorptions in cold-core conditions - Testing the sputtering of grain mantles induced by cosmic rays V. Wakelam, E. Dartois, M. Chabot, S. Spezzano, D. Navarro-Almaida, J.-C. Loison, and A. Fuente A&A 652, A63 (2021)
	Establishing the evolutionary timescales of the massive star formation process through chemistry G. Sabatini, S. Bovino, A. Giannetti, T. Grassi, J. Brand, E. Schisano, F. Wyrowski, S. Leurini, and K. M. Menten A&A 652, A72 (2021)
	Hunting the relatives of benzonitrile: Rotational spectroscopy of dicyanobenzenes O. Chitarra, K. L. K. Lee, Z. Buchanan, M. Melosso, B. A. McGuire, M. Goubet, O. Pirali, and M.-A. Martin-Drumel A&A 652, A163 (2021)
	H2S observations in young stellar disks in Taurus P. Rivière-Marichalar, A. Fuente, R. Le Gal, A. M. Arabhavi, S. Cazaux, D. Navarro-Almaida, A. Ribas, I. Mendigutía, D. Barrado, and B. Montesinos A&A 652, A46 (2021)
	Ammonia snow lines and ammonium salts desorption F. Kruczkiewicz, J. Vitorino, E. Congiu, P. Theulé, and F. Dulieu A&A 652, A29 (2021)
	Carbon dioxide clathrate hydrate formation at low temperature - Diffusion-limited kinetics growth as monitored by FTIR E. Dartois and F. Langlet A&A 652, A74 (2021)
	Spectroscopic measurements of CH3OH in layered and mixed interstellar ice analogues B. Müller, B. M. Giuliano, M. Goto, and P. Caselli A&A 652, A126 (2021)
	High-resolution Fourier transform infrared (FTIR) spectroscopy of formaldoxime-13C (13CH2NOH): Ground and ν8 = 1 states rovibrational constants T. L. Tan, A. Jusuf, and Q. Y. Wu J Mol Spectrosc 380, 111499 (2021)
	The millimeter-wave spectrum of doubly deuterated propylene oxide P. Stahl, D. Kargin, R. Pietschnig, T. F. Giesen, and G. W. Fuchs J Mol Spectrosc 380, 111498 (2021)
	Investigating the Condensation of Benzene (C6H6) in Titan's South Polar Cloud System with a Combination of Laboratory, Observational, and Modeling Tools D. Dubois, L. T. Iraci, E. L. Barth, F. Salama, S. Vinatier, and E. Sciamma-O'Brien PSJ 2, 121 (2021)
	Detection of OH 18 cm Emission from Comet C/2020 F3 NEOWISE Using the Arecibo Telescope A. J. Smith, D. A. Roshi, P. Manoharan, S. Vaddi, B. B. P. Perera, and A. McGilvray PSJ 2, 123 (2021)
	Hydroxide Salts in the Clouds of Venus: Their Effect on the Sulfur Cycle and Cloud Droplet pH P. B. Rimmer, S. Jordan, T. Constantinou, P. Woitke, O. Shorttle, R. Hobbs, and A. Paschodimas PSJ 2, 133 (2021)
	The Geographic Distribution of Dense-phase O2 on Ganymede S. K. Trumbo, M. E. Brown, and D. Adams PSJ 2, 139 (2021)
	Transmission Spectroscopy of the Earth-Sun System to Inform the Search for Extrasolar Life L. C. Mayorga, J. Lustig-Yaeger, E. M. May, K. S. Sotzen, J. Gonzalez-Quiles, B. M. Kilpatrick, E. C. Martin, K. Mandt, K. B. Stevenson, and N. R. Izenberg PSJ 2, 140 (2021)
	Complex Water-ice Mixtures on NII Nereid: Constraints from NIR Reflectance B. N. L. Sharkey, V. Reddy, J. A. Sanchez, M. R. M. Izawa, and W. M. Harris PSJ 2, 143 (2021)
	13C Isotopic Ratios of HC3N on Titan Measured with ALMA T. Iino, K. Taniguchi, H. Sagawa, and T. Tsukagoshi PSJ 2, 166 (2021)
	Study on the kinetics and dynamics of the H2 + NH– 2 reaction on a high-level ab initio potential energy surface M. Pan, H. Xiang, Y. Li, and H. Song Phys Chem Chem Phys 23, 17848-17855 (2021)
	Quantum nature of molecular vibrational quenching: Water-molecular hydrogen collisions L. Wiesenfeld J Chem Phys 155, 071104 (2021)
	PAH Spectroscopy from 1 to 5 μm L. J. Allamandola, C. Boersma, T. J. Lee, J. D. Bregman, and P. Temi ApJL 917, L35 (2021)
	Anharmonic Vibrational Spectrum and Experimental Matrix Isolation Study of Thioformic Acid Conformers-Potential Candidates for Molecular Cloud and Solar System Observations? A. Lignell, I. Osadchuk, M. Räsänen, and J. Lundell ApJ 917, 68 (2021)
	Rovibrationally Resolved Photodissociation of AlH via Excited Electronic States Z. Qin, T. Bai, and L. Liu ApJ 917, 87 (2021)
	On the Nature of Organic Dust in Novae I. Endo, I. Sakon, T. Onaka, Y. Kimura, S. Kimura, S. Wada, L. A. Helton, R. M. Lau, Y. Kebukawa, Y. Muramatsu, N. O. Ogawa, N. Ohkouchi, M. Nakamura, and S. Kwok ApJ 917, 103 (2021)
	The Chemistry of Chlorine-bearing Species in the Diffuse Interstellar Medium, and New SOFIA/GREAT Observations of HCl+ D. A. Neufeld, H. Wiesemeyer, M. J. Wolfire, A. M. Jacob, C. Buchbender, M. Gerin, H. Gupta, R. Güsten, and P. Schilke ApJ 917, 104 (2021)
	Molecular Dynamics Simulations of Energy Dissipation on Amorphous Solid Water: Testing the Validity of Equipartition A. Fredon, G. C. Groenenboom, and H. M. Cuppen ACS Earth Space Chem 5, 2032-2041 (2021)
	Extraterrestrial Organic Molecules from [SiX]+ Ions: A Coupled Cluster Theory Inquest for Plausible Reaction Pathways P. Tiwari, S. Jena, and H. S. Biswal ACS Earth Space Chem 5, 2086-2093 (2021)
	The Beginning of HCN Polymerization: Iminoacetonitrile Formation and Its Implications in Astrochemical Environments H. Sandström and M. Rahm ACS Earth Space Chem 5, 2152-2159 (2021)
	Product Detection of the CH(X2Π) Radical Reaction with Cyclopentadiene: A Novel Route to Benzene K. L. Caster, T. M. Selby, D. L. Osborn, S. D. Le Picard, and F. Goulay J Phys Chem A 125, 6927-6939 (2021)
	Aminohydroxymethylene (H2N–C̈–OH), the Simplest Aminooxycarbene B. Bernhardt, M. Ruth, H. P. Reisenauer, and P. R. Schreiner J Phys Chem A 125, 7023-7028 (2021)
	Excitation of Polycyclic Aromatic Hydrocarbon Emission: Dependence on Size Distribution, Ionization, and Starlight Spectrum and Intensity B. T. Draine, Aigen Li, Brandon S. Hensley, L. K. Hunt, K. Sandstrom, and J.-D. T. Smith ApJ 917, 3 (2021)
	Observations and Analysis of CH+ Vibrational Emissions from the Young, Carbon-rich Planetary Nebula NGC 7027: A Textbook Example of Chemical Pumping D. A. Neufeld, B. Godard, P. B. Changala, A. Faure, T. R. Geballe, R. Güsten, K. M. Menten, and H. Wiesemeyer ApJ 917, 15 (2021)
	Anomalous Intensities in the Infrared Emission of CH+ Explained by Quantum Nuclear Motion and Electric Dipole Calculations P. B. Changala, D. A. Neufeld, and B. Godard ApJ 917, 16 (2021)
	The Complex Organic Molecular Content in the L1498 Starless Core I. Jiménez-Serra, A. I. Vasyunin, S. Spezzano, P. Caselli, G. Cosentino, and S. Viti ApJ 917, 44 (2021)
	H2 Formation on Interstellar Grains and the Fate of Reaction Energy S. Pantaleone, J. Enrique-Romero, C. Ceccarelli, S. Ferrero, N. Balucani, A. Rimola, and P. Ugliengo ApJ 917, 49 (2021)
	Ab initio electrical properties of CO2: polarizabilities, hyperpolarizabilities, and multipole moments R. L. Beil and R. J. Hinde Theor Chem Acct 140, 120 (2021)
	Haze evolution in temperate exoplanet atmospheres through surface energy measurements X. Yu, C. He, X. Zhang, S. M. Hörst, A. H. Dymont, P. McGuiggan, J. I. Moses, N. K. Lewis, J. J. Fortney, P. Gao, E. M.-R. Kempton, S. E. Moran, C. V. Morley, D. Powell, J. A. Valenti, and V. Vuitton Nature Astron 5, 822-831 (2021)
	Deuterated Polycyclic Aromatic Hydrocarbons in the Interstellar Medium: The C-D Band Strengths of Multideuterated Species X. J. Yang, A. Li, C. Y. He, and R. Glaser ApJS 255, 23 2020
	Disequilibrium Chemistry in Exoplanet Atmospheres Observed with the Hubble Space Telescope G. M. Roudier, M. R. Swain, M. S. Gudipati, R. A. West, R. Estrela, and R. T. Zellem AJ 162, 37 (2021)
	Where Is the Water? Jupiter-like C/H Ratio but Strong H2O Depletion Found on τ Boötis b Using SPIRou S. Pelletier, B. Benneke, A. Darveau-Bernier, A. Boucher, N. J. Cook, C. Piaulet, L.-P. Coulombe, É. Artigau, D. Lafreniè,re, S. Delisle, R. Allart, R. Doyon, J.-F. Donati, P. Fouqué, C. Moutou, C. Cadieux, X. Delfosse, G. Hébrard, J. H. C. Martins, E. Martioli, and T. Vandal AJ 162, 73 (2021)
	Investigation of the Origins of Comets as Revealed through Infrared High-resolution Spectroscopy I. Molecular Abundances M. Lippi, G. L. Villanueva, M. J. Mumma, and S. Faggi AJ 162, 74 (2021)
	Precise equilibrium structure of thiazole (c-C3H3NS) from twenty-four isotopologues B. J. Esselman, M. A. Zdanovskaia, A. N. Owen, J. F. Stanton, R. C. Woods, and R. J. McMahon J Chem Phys 155, 054302 (2021)
	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)
	Titan in a Test Tube: Organic Co-crystals and Implications for Titan Mineralogy M. L. Cable, T. Runčevski, H. E. Maynard-Casely, T. H. Vu, and R. Hodyss Acc Chem Res 54, 3050-3059 (2021)
	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)
	Discovery of Two Infrared Objects with Strong Ice Absorption in the Akari Slitless Spectroscopic Survey of the Galactic Plane T. Onaka, T. Kimura, I. Sakon, and T. Shimonishi ApJ 916, 75 (2021)
	Molecular Dynamics Approach for Predicting Release Temperatures of Noble Gases in Presolar Nanodiamonds A. Aghajamali, A. A. Shiryaev, and N. A. Marks ApJ 916, 85 (2021)
	H2 Rovibrational Excitation in Protoplanetary Disks and Its Effects on the ChemistryTitle M. Ruaud ApJ 916, 103 (2021)
	Complex structures synthesized in shock processing of nucleobases - implications to the origins of life V. S. Surendra, V. Jayaram, M. Muruganantham, T. Vijay, S. Vijayan, P. Samarth, H. Hill, Anil Bhardwaj, N. J. Mason, and B. Sivaraman Int J Astrobio 20, 285-293 (2021)
	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)
	Astrobiologists are rational but not Bayesian W. Bains and J. J. Petkowski Int J Astrobio 20, 312-318 (2021)
	Rovibrational properties of the A1Π - X1Σ+ system of the AlCl radical J. Zhang, H. Li, and Y. Ma Comp Theor Chem 1202, 113307 (2021)
	Chemical signatures of a warped protoplanetary disc A. K Young, R. Alexander, C. Walsh, R. Nealon, A. Booth, and C. Pinte MNRAS 505, 4821-4837 (2021)
	Hydrogenation of small aromatic heterocycles at low temperatures A. M. Miksch, A. Riffelt, R. Oliveira, J. Kästner, and G. Molpeceres MNRAS 505, 3157-3164 (2021)
	HD molecules at high redshift: cosmic ray ionization rate in the diffuse interstellar medium D. N. Kosenko, S. A. Balashev, P. Noterdaeme, J.-K. Krogager, R. Srianand, and C. Ledoux MNRAS 505, 3810-3822 (2021)
	Full spectroscopic model and trihybrid experimental-perturbative-variational line list for CN A.-M. Syme and L. K McKemmish MNRAS 505, 4383-4395 (2021)
	Pseudo-2D modelling of heat redistribution through H2 thermal dissociation/recombination: consequences for ultra-hot Jupiters A. Roth, B. Drummond, E. Hébrard, P. Tremblin, J. Goyal, and N. Mayne MNRAS 505, 4515-4530 (2021)
	Collisional excitation of deuterated hydroxyl (OD) by molecular hydrogen P. J. Dagdigian MNRAS 505, 1987-1991 (2021)
	Rovibrationally resolved direct photodissociation of MgO T. Bai, Z. Qin, and L. Liu MNRAS 505, 2177-2185 (2021)
	The PYRAT BAY framework for exoplanet atmospheric modelling: a population study of Hubble/WFC3 transmission spectra P. E. Cubillos and J. Blecic MNRAS 505, 2675-2702 (2021)
	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. Sipil*auml;, 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 Cα-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
	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)
	Self-preserving ice layers on CO2 clathrate particles: Implications for Enceladus, Pluto, and similar ocean worlds M. Boström, V. Esteso, J. Fiedler, I. Brevik, S. Y. Buhmann, C. Persson, S. Carretero-Palacios, D. F. Parsons, and R. W. Corkery A&A 650, A54 (2021)
	Activity of the Jupiter co-orbital comet P/2019 LD2 (ATLAS) observed with OSIRIS at the 10.4 m GTC J. Licandro, J. de León, F. Moreno, C. de la Fuente Marcos, R. de la Fuente Marcos, A. Cabrera-Lavers, L. Lara, A. de Souza-Feliciano, M. De Prá, N. Pinilla-Alonso, and S. Geier A&A 650, A79 (2021)
	Study of Fischer-Tropsch-type reactions on chondritic meteorites V. Cabedo, J. Llorca, J. M. Trigo-Rodriguez, and A. Rimola A&A 650, A160 (2021)
	Day-night differences in Mars methane suggest nighttime containment at Gale crater C. R. Webster, P. R. Mahaffy, J. Pla-Garcia, S. C. R. Rafkin, J. E. Moores, S. K. Atreya, G. J. Flesch, C. A. Malespin, S. M. Teinturier, H. Kalucha, C. L. Smith, D. Viúdez-Moreiras, and A. R. Vasavada A&A 650, A166 (2021)
	A Crossed Molecular Beams and Computational Study of the Formation of the Astronomically Elusive Thiosilaformyl Radical (HSiS, X2A′) S. J. Goettl, Z. Yang, S. Doddipatla, C. He, M. O. Alves, B. R. L. Galvão, and R. I. Kaiser J Phys Chem Lett 12, 5979-5986 (2021)
	Reaction Dynamics Study of the Molecular Hydrogen Loss Channel in the Elementary Reactions of Ground-State Silicon Atoms (Si(3P)) With 1- and 2-Methyl-1,3-Butadiene (C5H8) Z. Yang, C. He, S. Goettl, and R. I. Kaiser Sci Adv 7, eabg7003 (2021)
	Phase Diagram for the Methane-Ethane System and Its Implications for Titan's Lakes A. E. Engle, J. Hanley, S. Dustrud, G. Thompson, G. E. Lindberg, W. M. Grundy, and S. C. Tegler PSJ 2, 118 (2021)
	Thermochemical Trends in Carbon Chain Molecules HC2kH/HC2k–1H (k = 1–6) Studied by Explicitly Correlated CCSD(T)-F12b Composite Methods C.-S. Lam and K.-C. Lau J Phys Chem A 125, 5385-5396 (2021)
	Nonadiabatic reaction dynamics to silicon monosulfide (SiS): A key molecular building block to sulfur-rich interstellar grains S. Doddipatla, C. He, S. J. Goettl, R. I. Kaiser, B. R. L. Galvão, and T. J. Millar J Phys Chem A 125, 5040-5047 (2021)
	Chemical dynamics study on the gas-phase reaction of the D1-silylidyne radical (SiD; X2Π) with deuterium sulfide (D2S) and hydrogen sulfide (H2S) S. J. Goettl, S. Doddipatla, Z. Yang, C. He, R. I. Kaiser, M. X. Silva, B. R. L. Galvão, and T. J. Millar Phys Chem Chem Phys 23, 13647-13661 (2021)
	Time-dependent wave packet investigation for N(2D) + H2(X1Σ+ g) reaction on the NH2(12A′) surface L. Peng, H. Ma, Y. Lü, C. Zhang, S. Gao, S. Liu, and Y. Lia Mol Phys 119, e1928313 (2021)
	Theoretical rovibronic spectroscopy of the calcium monohydroxide radical (CaOH) A. Owens, V. H. J. Clark, A. Mitrushchenkov, S. N. Yurchenko, and J. Tennyson J Chem Phys 154, 234302 (2021)
	Effect of H2S on the Near-infrared Spectrum of Irradiation Residue and Applications to the Kuiper Belt Object (486958) Arrokoth A. Mahjoub, M. E. Brown, M. J. Poston, R. Hodyss, B. L. Ehlmann, J. Blacksberg, M. Choukroun, J. M. Eiler, and K. P. Hand ApJL 914, L31 (2021)
	High Spatial Resolution Observations of Molecular Lines toward the Protoplanetary Disk around TW Hya with ALMA H. Nomura, T. Tsukagoshi, R. Kawabe, T. Muto, K. D. Kanagawa, Y. Aikawa, E. Akiyama, S. Okuzumi, S. Ida, S. Lee, C. Walsh, and T. J. Millar ApJ 914, 113 (2021)
	Can Cytosine, Uracil, and Thymine Be Formed from HC3N and H2NCO+ in Interstellar Space? J. C. Choe ApJ 914, 136 (2021)
	Insights Into Chemical Reactions at the Beginning of the Universe: From HeH+ to H+ 3 S. R. Dash, T. Das, and K. Vanka Front Chem 9, 679750 (2021)
	Constraints for Use of Ultraviolet Spectropolarimetry to Detect Chiral Amino Acids from Comets A. I. Gómez de Castro and A. I. De Isidro-Gómez Astrobio 21, 718-728 (2021)
	Compact pebbles and the evolution of volatiles in the interstellar comet 2I/Borisov B. Yang, A. Li, M. A. Cordiner, C.-S. Chang, O. R. Hainaut, J. P. Williams, K. J. Meech, J. V. Keane, and E. Villard Nature Astron 5, 586-593 (2021)
	EXOPLINES: Molecular Absorption Cross-section Database for Brown Dwarf and Giant Exoplanet Atmospheres E. Gharib-Nezhad, A. R. Iyer, M. R. Line, R. S. Freedman, M. S. Marley, and N. E. Batalha ApJS 254, 34 (2021)
	Interstellar Enolization-Acetaldehyde (CH3CHO) and Vinyl Alcohol (H2CCH(OH)) as a Case Study N. F. Kleimeier and R. I. Kaiser Chem Phys Chem 22, 1229-1236 (2021)
	Discovery of Carbon Monoxide in Distant Comet C/2017 K2 (PANSTARRS) B. Yang, D. Jewitt, Y. Zhao, X. Jiang, Q. Ye, and Y.-T. Chen ApJL 914, L17 (2021)
	How to Identify Exoplanet Surfaces Using Atmospheric Trace Species in Hydrogen-dominated Atmospheres X. Yu, J. I. Moses, J. J. Fortney, and X. Zhang ApJ 914, 38 (2021)
	The Transition from Diffuse Molecular Gas to Molecular Cloud Material in Taurus S. R. Federman, J. S. Rice, A. M. Ritchey, H. Kim, J. H. Lacy, P. F. Goldsmith, N. Flagey, G. N. Mace, and D. L. Lambert ApJ 914, 59 (2021)
	Infrared spectroscopy of clathrate hydrates for planetary science: the ethylene case E. Dartois MNRAS 540, 4369-4376 (2021)
	Isocyanic acid (HNCO) in the hot molecular core G331.512-0.103: observations and chemical modelling C. M. Canelo, L. Bronfman, E. Mendoza, N. Duronea, M. Merello, M. Carvajal, A. C. S. Friaça, and J. Lepine MNRAS 540, 4428-4444 (2021)
	Latitudinal Distribution of Ethane Precipitation on Titan Modulated by Topography and Orbital Forcing and Its Implication for Titan's Surface Evolution T. Tokano PSJ 2, 86 (2021)
	Electric quadrupole transitions in carbon dioxide A. Yachmenev, A. Campargue, S. N. Yurchenko, J. Küpper, and J. Tennyson J Chem Phys 154, 211104 (2021)
	Annual Appearance of Hydrogen Chloride on Mars and a Striking Similarity With the Water Vapor Vertical Distribution Observed by TGO/NOMAD S. Aoki, F. Daerden, S. Viscardy, I. R. Thomas, J. T. Erwin, S. Robert, L. Trompet, L. Neary, G. L. Villanueva, G. Liuzzi, M. M. J. Crismani, R. T. Clancy, J. Whiteway, F. Schmidt, M. A. Lopez-Valverde, B. Ristic, M. R. Patel, G. Bellucci, J.-J. Lopez-Moreno, K. S. Olsen, F. Lefèvre, F. Montmessin, A. Trokhimovskiy, A. A. Fedorova, O. Korablev, and A. C. Vandaele Geophys Res Lett 48, e2021GL092506 (2021)
	ARES. V. No Evidence For Molecular Absorption in the HST WFC3 Spectrum of GJ 1132 b L. V. Mugnai, D. Modirrousta-Galian, B. Edwards, Q. Changeat, J. Bouwman, G. Morello, A. Al-Refaie, R. Baeyens, M. F. Bieger, D. Blain, A. Gressier, G. Guilluy, Y. Jaziri, F. Kiefer, M. Morvan, W. Pluriel, M. Poveda, N. Skaf, N. Whiteford, S. Wright, K. H. Yip, T. Zingales, B. Charnay, P. Drossart, J. Leconte, O. Venot, I. Waldmann, and J.-P. Beaulieu AJ 161, 284 (2021)
	Discovery in space of ethanolamine, the simplest phospholipid head group V. M. Rivilla, I. Jiménez-Serra, J. Martín-Pintado, C. Briones, L. F. Rodríguez-Almeida, F. Rico-Villas, B. Tercero, S. Zeng, L. Colzi, P. de Vicente, S. Martín, and M. A. Requena-Torres Proc Nat Acad Sci 118, e2101314118 (2021) ETHANOLAMINE DETECTED
	Cyclopentadienyl radical formation from the reaction of excited nitrogen atoms with benzene: a theoretical study C.-H. Chin, T. Zhu, and J. Z. H. Zhang Phys Chem Chem Phys 23, 12408-12420 (2021)
	Discovery of the Pure Polycyclic Aromatic Hydrocarbon Indene (c-C9H8) with GOTHAM Observations of TMC-1 A. M. Burkhardt, K. L. K. Lee, P. B. Changala, C. N. Shingledecker, I. R. Cooke, R. A. Loomis, H. Wei, S. B. Charnley, E. Herbst, M. C. McCarthy, and B. A. McGuire ApJL 913, L18 (2021)
	System-level Fractionation of Carbon from Disk and Planetesimal Processing T. Lichtenberg and S. Krijt ApJL 913, L20 (2021)
	Thermal Desorption of Astrophysically Relevant Ice Mixtures of Acetaldehyde and Acetonitrile from Olivine Dust M. A. Corazzi, J. R. Brucato, G. Poggiali, L. Podio, D. Fedele, and C. Codella ApJ 913, 128 (2021)
	Electronic Spectroscopy of Anthracene Cations and Protonated Anthracene in the Search for Carriers of Diffuse Interstellar Bands M. Meyer, P. Martini, A. Schiller, F. Zappa, S. A. Krasnokutski, and P. Scheier ApJ 913, 136 (2021)
	Infrared spectra of neutral polycyclic aromatic hydrocarbons based on machine learning potential energy surface and dipole mapping G. Laurens, M. Rabary, J. Lam, D. Peláez, A.-R. Allouche Theor Chem Accts 140, 66 (2021)
	Diabatic potential energy curves for the 4Π states of SH. Application of the block diagonalization method to disentangle Rydberg and autoionizing valence states embedded in the electron-scattering continuum D. O. Kashinski, J. Bohnemann, A. P. Hickman, and D. Talbi Theor Chem Accts 140, 60 (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)
	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)
	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
	Thionitroxyl Radical (H2NS) Isomers: Structures, Vibrational Spectroscopy, Electronic States and Photochemistry M. Jarraya, S. Ben Yaghlane, R. Feifel, R. Linguerri and M. Hochlaf Front Astron Space Sci 8, 641067 (2021)
	Catalytic Role of Refractory Interstellar Grain Analogs on H2 Formation T. Suhasaria and V. Mennella Front Astron Space Sci 8, 655883 (2021)
	The Vertical and Adiabatic Ionization Energies of Silicon Carbide Clusters, (SiC)n, With n = 1-12 D. Gobrecht Front Astron Space Sci 8, 662545 (2021)
	Extraterrestrial hydroxy amino acids in CM and CR carbonaceous chondrites T. Koga, E. T. Parker, H. L. McLain, J. C. Aponte, J. E. Elsila, J. P. Dworkin, D. P. Glavin, and H. Naraoka Meteor Planet Sci, 56, 1005-1023 (2021)
	Physics and chemistry on the surface of cosmic dust grains: a laboratory view A. Potapov and M. McCoustra Int Rev Phys Chem 40, 299-364 (2021)
	Upper limits for phosphine (PH3) in the atmosphere of Mars K. S. Olsen, A. Trokhimovskiy, A. S. Braude, O. I. Korablev, A. A. Fedorova, C. F. Wilson, M. R. Patel, P. G. J. Irwin, F. Montmessin, F. Lefèvre, L. Baggio, J. Alday, D. A. Belyaev, A. Patrakeev, and A. Shakun A&A 649, L1 (2021)
	O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3 M. Agúndez, N. Marcelino, B. Tercero, C. Cabezas, P. de Vicente, and J. Cernicharo A&A 649, L4 (2021)
	Dry or water world? How the water contents of inner sub-Neptunes constrain giant planet formation and the location of the water ice line B. Bitsch, S. N. Raymond, L. A. Buchhave, A. Bello-Arufe, A. D. Rathcke, and A. D. Schneider A&A 649, L5 (2021)
	Pure hydrocarbon cycles in TMC-1: Discovery of ethynyl cyclopropenylidene, cyclopentadiene, and indene J. Cernicharo, M. Agúndez, C. Cabezas, B. Tercero, N. Marcelino, J. R. Pardo, and P. de Vicente A&A 649, L15 (2021)
	ATLASGAL-selected massive clumps in the inner Galaxy - IX. Deuteration of ammonia M. Wienen, F. Wyrowski, C. M. Walmsley, T. Csengeri, T. Pillai, A. Giannetti, and K. M. Menten A&A 649, A21 (2021)
	Submillimeter imaging of the Galactic Center starburst Sgr B2 - Warm molecular, atomic, and ionized gas far from massive star-forming cores M. G. Santa-Maria, J. R. Goicoechea, M. Etxaluze, J. Cernicharo, and S. Cuadrado A&A 649, A32 (2021)
	Modeling chemistry during star formation: water deuteration in dynamic star-forming regions S. S. Jensen, J. K. Jørgensen, K. Furuya, T. Haugbølle, and Y. Aikawa A&A 649, A66 (2021)
	Spatial distribution of the aromatic and aliphatic carbonaceous nanograin features in the protoplanetary disk around HD 100546 E. Habart, T. Boutéraon, R. Brauer, N. Ysard, E. Pantin, A. Marchal, and A. P. Jones A&A 649, A84 (2021)
	First detection of doubly deuterated methyl acetylene (CHD2CCH and CH2DCCD) M. Agúndez, E. Roueff, C. Cabezas, J. Cernicharo, and N. Marcelino A&A 649, A171 (2021)
	Reflections on the photodissociation of CO in circumstellar envelopes M. A. T. Groenewegen and M. Saberi A&A 649, A172 (2021)
	Sublimation of ice-dust mixtures in cooled vacuum environments to reproduce cometary morphologies D. Haack, A. Lethuillier, C. Kreuzig, C. Feller, B. Gundlach, A. Pommerol, J. Blum, and K. Otto A&A 649, A35 (2021)
	Millimeter- and submillimeter-wave spectrum of trans-formaldoxime (CH2NOH) L. Zou, J.-C. Guillemin, R. A. Motiyenko, and L. Margulès A&A 649, A60 (2021)
	1I/'Oumuamua as an N2 Ice Fragment of an exo-Pluto Surface: I. Size and Compositional Constraints A. P. Jackson and S. J. Desch J Geophys Res Planets 126, e2020JE006706 (2021)
	1I/'Oumuamua as an N2 Ice Fragment of an Exo-Pluto Surface II: Generation of N2 Ice Fragments and the Origin of 'Oumuamua A. P. Jackson and S. J. Desch J Geophys Res Planets 126, e2020JE006807 (2021)
	Rydberg States of H3 and HeH as Potential Coolants for Primordial Star Formation G. Kannan, J. R. Chien, A. J. Benjamin, N. Bhatia, and R. J. Saykally J Phys Chem A 125, 4267-4275 (2021) COVER ARTICLE
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Published in April 2021
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Published in March 2021
	Ethynylhydroxycarbene (H–C≡C–C̈–OH) B. Bernhardt, M. Ruth, A. K. Eckhardt, and P. R. Schreiner J Am Chem Soc 143, 3741-3746 (2021)
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	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)
	Theoretical Determination of Binding Energies of Small Molecules on Interstellar Ice Surfaces D. Duflot, C. Toubin, and M. Monnerville Front Astron Space Sci 8, 645243 (2021)
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	Nonthermal Atmospheric Loss of the Exoplanet GJ 436b due to H2 Dissociation Processes A. A. Avtaeva and V. I. Shematovich Solar Sys Res 55, 150-158 (2021)
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	Discovery of the propargyl radical (CH2CCH) in TMC-1: One of the most abundant radicals ever found and a key species for cyclization to benzene in cold dark clouds M. Agúndez, C. Cabezas, B. Tercero, N. Marcelino, J. D. Gallego, P. de Vicente, and J. Cernicharo A&A 647, L10 (2021)
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	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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Published in February 2021
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Published in January 2021
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