Interstellar chemistry - Polycyanoacetylene formation

Details Interstellar chemistry - Polycyanoacetylene formation Interstellar chemistry - Polycyanoacetylene formation

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sci...214..688l&link_type=abstract

Science, vol. 214, Nov, 6, 1981, p. 688, 689; Authors' Reply, p. 689.

Computer Science

1

Cyano Compounds, Interstellar Chemistry, Molecular Clouds, Polyacetylene, Synthesis (Chemistry), Abundance, Catalysis, Cosmic Dust, Gas-Ion Interactions, Molecular Ions, Polymerization, Vapor Phases

Scientific paper

It is argued that interstellar polycyanoacetylenes are formed not on dust grains by catalytic buildup or by dissociation of longer molecules, but rather by gas phase ion-molecule reactions. The primary evidence for this view is the detection of deuterated cyanoacetylene in an interstellar cloud. It is also argued that the relative abundance of successive homologs of polycyanoacetylenes rules out the grain catalysis theory.

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