The ion–molecule chemistry of acrylonitrile: astrochemical implications

This paper reports the results of laboratory measurements of ion-molecule reactions of ions derived from acrylonitrile, CH2CHCN, namely $\text C_3\text H_n\text N^+ \enspace (n = 1-4)$, as well as of measurements involving ions of relevance to the interstellar cloud chemistry of CH2CHCN. Sources and...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 1992-08, Vol.257 (3), p.438-444
Main Authors: Petrie, Simon, Freeman, Colin G., McEwan, Murray J.
Format: Article
Language:English
Subjects:
Astronomy
Atomic processes and interactions
Earth, ocean, space
Exact sciences and technology
Fundamental aspects of astrophysics
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
interstellar medium: molecules
molecular processes
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Summary:This paper reports the results of laboratory measurements of ion-molecule reactions of ions derived from acrylonitrile, CH2CHCN, namely $\text C_3\text H_n\text N^+ \enspace (n = 1-4)$, as well as of measurements involving ions of relevance to the interstellar cloud chemistry of CH2CHCN. Sources and sinks for CH2CHCN proposed in recent models have been re-examined in the light of these measurements. Most ions relevant to cloud chemistry undergo collision-rate reactions with CH2CHCN but the $\text C_3\text H_n\text N^+$ ions are relatively unreactive with most important neutral constituents of clouds including H2, CO, and N2.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/257.3.438