Time Dependent Chemical Study of Contracting Interstellar Clouds. I. Abundances of Nitrogen- and Carbon-Bearing Molecules

Details Time Dependent Chemical Study of Contracting Interstellar Clouds. I. Abundances of Nitrogen- and Carbon-Bearing Molecules Time Dependent Chemical Study of Contracting Interstellar Clouds. I. Abundances of Nitrogen- and Carbon-Bearing Molecules

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995em%26p...69...95a&link_type=abstract

Earth, Moon, and Planets, Volume 69, Issue 2, pp.95-112

Physics

2

Scientific paper

We have constructed a reaction system containing the chemical families of H, C, O, N, S, Si, Cl, metals (Me) and grains. A total of 104 species have been included and a network of 557 reactions has been studied. The chemical kinetic equations were integrated as a function of time by using gear program. The chemical reaction system was followed at low, intermediate and high cloud densities i.e. from 10 107 particles cm-3. The calculated fractional abundances of N2, CN, HCN, and CH which are in good agreement with the results of observations and with those of previous theoretical studies.

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