Organic Molecules in Interstellar Space: Latest Advances [PDF]
Frontiers in Astronomy and Space Sciences, 2022 Although first considered as too diluted for the formation of molecules in-situ and too harsh an environment for their survival, the interstellar medium has turned out to host a rich palette of molecular species: to date, 256 species, not counting ...
Michel Guélin, Jose Cernicharo
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Synthetic Approaches to Complex Organic Molecules in the Cold Interstellar Medium
Frontiers in Astronomy and Space Sciences, 2022 The observation and synthesis of organic molecules in interstellar space is one of the most exciting and rapidly growing topics in astrochemistry.
Eric Herbst +3 more
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2021 Census of Interstellar, Circumstellar, Extragalactic, Protoplanetary Disk, and Exoplanetary Molecules [PDF]
Astrophysical Journal Supplement Series, 2021 To date, 241 individual molecular species, composed of 19 different elements, have been detected in the interstellar and circumstellar medium by astronomical observations.
B. McGuire
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Aromatics and Cyclic Molecules in Molecular Clouds: A New Dimension of Interstellar Organic Chemistry. [PDF]
Journal of Physical Chemistry A, 2021 Astrochemistry lies at the nexus of astronomy, chemistry, and molecular physics. On the basis of precise laboratory data, a rich collection of more than 200 familiar and exotic molecules have been identified in the interstellar medium, the vast majority ...
M. McCarthy, B. McGuire
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Atomistic Modeling of Methyl Formate and Glycolaldehyde Formation on Interstellar Dirty Ice Mantles via a "Radical + Ice" Mechanism. [PDF]
ChempluschemThe presence of interstellar complex organic molecules (COMs) has been baffling astrochemists for a long time. Methyl formate and glycolaldehyde are widely detected but their abundances mismatch kinetic astrochemical model predictions. Here, the formation of these two COMs is characterized onto a mixed ice surface, highlighting the importance of ...
Perrero J +3 more
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Binding Energies of Interstellar Molecules on Crystalline and Amorphous Models of Water Ice by Ab Initio Calculations [PDF]
Astrophysical Journal, 2020 In the denser and colder (≤20 K) regions of the interstellar medium (ISM), near-infrared observations have revealed the presence of submicron-sized dust grains covered by several layers of H2O-dominated ices and “dirtied” by the presence of other ...
S. Ferrero +5 more
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Probing non polar interstellar molecules through their protonated form: Detection of protonated cyanogen (NCCNH<sup>+</sup>). [PDF]
Astron Astrophys, 2015 Cyanogen (NCCN) is the simplest member of the series of dicyanopolyynes. It has been hypothesized that this family of molecules can be important constituents of interstellar and circumstellar media, although the lack of a permanent electric dipole moment
Agúndez M +21 more
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Formation of Complex Organic Molecules in Cold Interstellar Environments through Nondiffusive Grain-surface and Ice-mantle Chemistry [PDF]
Astrophysical Journal Supplement Series, 2020 A prevailing theory for the interstellar production of complex organic molecules (COMs) involves formation on warm dust-grain surfaces, via the diffusion and reaction of radicals produced through grain-surface photodissociation of stable molecules ...
M. Jin, R. Garrod
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The efficiency of photodissociation for molecules in interstellar ices [PDF]
, 2018 Processing by interstellar photons affects the composition of the icy mantles on interstellar grains. The rate of photodissociation in solids differs from that of molecules in the gas phase. The aim of this work was to determine an average, general ratio
Juris Kalvāns
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Photochemistry and Astrochemistry: Photochemical Pathways to Interstellar Complex Organic Molecules. [PDF]
Chemical Reviews, 2016 The interstellar medium is characterized by a rich and diverse chemistry. Many of its complex organic molecules are proposed to form through radical chemistry in icy grain mantles. Radicals form readily when interstellar ices (composed of water and other
K. Öberg
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