Detection of deuteriocyanobutadiyne /DC5N/ in the interstellar cloud TMC-1

Details Detection of deuteriocyanobutadiyne /DC5N/ in the interstellar cloud TMC-1 Detection of deuteriocyanobutadiyne /DC5N/ in the interstellar cloud TMC-1

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251l..37s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 251, Dec. 1, 1981, p. L37-L41.

Astronomy and Astrophysics

Astrophysics

17

Cyano Compounds, Deuterium Compounds, Interstellar Matter, Molecular Clouds, Molecular Spectra, Particle Interactions, Abundance, Chemical Reactions, Electron Recombination, Electron Transitions, Reaction Kinetics, Spectrum Analysis

Scientific paper

The detection of DC5N via the J = 9-8 rotational transition at 22.878955 GHz is reported. The ratio of the abundances of DC5N to HC5N, R(DC5N), is found to be 0.016 + or - 0.003, which indicates that ion-molecule reactions are active in the Taurus clouds, but does not prove that HC5N is formed by ion-molecule chemistry. A comparison of R(DC5N) with R(DC3N) indicates that R(DC5N) is less than R(DC3N), which is consistent with ion-molecule models for their formation.

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