A reinvestigation of the rate of the C/+/ + H2 radiative association reaction

Details A reinvestigation of the rate of the C/+/ + H2 radiative association reaction A reinvestigation of the rate of the C/+/ + H2 radiative association reaction

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252..810h&link_type=abstract

Astrophysical Journal, Part 1, vol. 252, Jan. 15, 1982, p. 810-813.

Astronomy and Astrophysics

Astrophysics

39

Association Reactions, Interstellar Chemistry, Interstellar Gas, Molecular Clouds, Radiation Chemistry, Reaction Kinetics, Carbon Compounds, Gas Density, Hydrogen Atoms, Temperature Dependence, Temperature Effects

Scientific paper

It is noted that new experimental results and statistical theories have prompted a reinvestigation of the rate coefficient of the interstellar reaction in which C(+) + H2 yields CH2(+) + h(nu) in the 10-100 K temperature range. The results presented here indicate a rate coefficient between 10 to the -16 and 10 to the -15 cu cm/s at all temperatures studied. In applying the modified thermal and phase space theories, it is expected that they will be as accurate as for radiative association as for three-body association, provided the ab initio value for the radiative decay rate is correct. It is expected that the calculated values of the rate coefficient will be accurate to within an order of magnitude and will have the correct temperature dependence.

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