The production of C(n)O, HC(n)O, and H2C(n)O molecules in dense interstellar clouds

Details The production of C(n)O, HC(n)O, and H2C(n)O molecules in dense interstellar clouds The production of C(n)O, HC(n)O, and H2C(n)O molecules in dense interstellar clouds

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...220..269a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 220, no. 1-2, Aug. 1989, p. 269-271. Research supported by SERC.

Physics

18

Carbon Compounds, Interstellar Chemistry, Molecular Clouds, Abundance, Isomers, Molecular Ions, Molecular Physics

Scientific paper

Measurements of the rate coefficients for ternary association reactions between unsaturated hydrocarbon ions C(n)H(+)(m) (n in the range of 4-6, m in the range of 0-6) and CO in a SIFT apparatus have been used to deduce rate coefficients for the corresponding radiative association processes. These latter rate coefficients have been used to estimate the relative abundances of a variety of unusual chemical species and their isomers with the chemical formulas C(n)O, HC(n)O, and H2C(n)O in dense interstellar clouds such as TMC-1. Two of these species - C3O and HC2CHO (propynal) - have already been detected in this source.

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