The ion chemistry of HNC(+)/HCN(+) isomers - Astrochemical implications

Details The ion chemistry of HNC(+)/HCN(+) isomers - Astrochemical implications The ion chemistry of HNC(+)/HCN(+) isomers - Astrochemical implications

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.248..272p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 248, Jan. 15, 1991, p. 272-275. Research supported by N

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Hydrocyanic Acid, Interstellar Chemistry, Interstellar Matter, Ionic Reactions, Ionized Gases, Isomers, Computational Chemistry, Radio Astronomy

Scientific paper

The reactivity of HCN(+) and HNC(+) has recently been studied in a selected-ion flow tube. In this paper the astrophysical significant of differences in HCN(+)/HNC(+) production and reactivity is discussed. In interstellar clouds, equal amounts of HCN(+) and HNC(+) are formed in the reaction of CN(+) + H2, but HCN(+) and HNC(+) are both rapidly depleted by reaction with H2 to form HCNH(+). Thus the differences in reactivity with species less abundant than H2 are expected to have minimal impact upon models of interstellar chemistry. However, in extraterrestrial environments lacking substantial molecular hydrogen (such as the atmosphere of Titan), differences in reactivity with hydrocarbons may have a significant effect upon the chemistry occurring.

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