Physics
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.319..473b&link_type=abstract
Nature (ISSN 0028-0836), vol. 319, Feb. 6, 1986, p. 473, 474. NSERC-supported research.
Physics
6
Carbenes, Interstellar Chemistry, Ionic Reactions, Molecular Clouds, Association Reactions, Ionizing Radiation
Scientific paper
Among the many molecules now known to enrich interstellar space are carbenes, molecules which have two electrons available on a carbon atom for chemical bonding. The origin of these molecules may involve ionizing radiation which can drive reactions between ions and molecules towards the formation of ionic carbene precursors. The author reports experiments which suggest that a much higher proportion of the ion chemistry in partially ionized regions in space is directed towards the formation of carbene molecules than has previously been recognized. He identifies plausible reaction paths which lead to both known and previously unknown carbenes, such as the cyclopropenylidene ring and long carbon-chain molecules. The cyclopropenylidene ring has recently been reported to be ubiquitous in the Galaxy.
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