The influence of metal ion association reactions on interstellar chemistry

Details The influence of metal ion association reactions on interstellar chemistry The influence of metal ion association reactions on interstellar chemistry

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.192...33m&link_type=abstract

In ESA Galactic and Extragalactic Infrared Spectroscopy p 33-35 (SEE N83-18593 08-88)

Physics

4

Association Reactions, Interstellar Chemistry, Interstellar Gas, Metal Ions, Molecular Clouds, Catalysts, Interstellar Matter, Metal Hydrides, Models, Radiative Recombination

Scientific paper

The low fractional electron abundances inferred in dense interstellar clouds from HCO+ and DCO+ observations have led to the conclusion that metals must be severely depleted from the gas in these regions. It is shown that metal ions can associate with neutral molecules and that this process implies that metals need not be as depleted as previously thought. As a result, charge-exchange reactions become more effective in forming interstellar molecules. Also discussed are the formation of metal hydrides, the importance of switching reactions and the possibility that metal ions may catalyse the gas-phase reaction of some neutral reactions.

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