Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...395.1031y&link_type=abstract
Astronomy and Astrophysics, v.395, p.1031-1044 (2002)
Astronomy and Astrophysics
Astrophysics
9
Astrochemistry, Ism: Molecules, Molecular Processes, Methods: Miscellaneous
Scientific paper
Fifteen reactions on the doublet HCnS and singlet/triplet H2CnS (n=1,2) potential energy surfaces have been investigated theoretically via electronic structure calculations to unravel the formation of hydrogen deficient, sulfur bearing molecules via bimolecular reactions of two neutral species in cold molecular clouds. Various barrierless reaction pathways to synthesize astronomically observed CnS and hitherto undetected HCnS (n=1,2) isomers are offered. These data present important guidance to search for rotational transitions of the elusive thioformyl HCS(X2A') and thioketenyl HCCS(X2Pi ) radicals in the interstellar medium.
Kaiser Ralf I.
Osamura Yoshihiro
Yamada Mitsuru
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