Candidate interstellar molecules formed from ion-molecule reactions of NO

Details Candidate interstellar molecules formed from ion-molecule reactions of NO Candidate interstellar molecules formed from ion-molecule reactions of NO

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219..458l&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Jan. 15, 1978, p. 458-466.

Astronomy and Astrophysics

Astrophysics

6

Interstellar Chemistry, Interstellar Matter, Ionic Reactions, Molecular Interactions, Nitric Oxide, Activation Energy, Chemical Equilibrium, Concentration (Composition), Heat Of Formation, Reaction Kinetics

Scientific paper

Molecular orbital calculations using the MINDO/3 method were performed on a series of small molecules to explore reactions of NO which could lead to formation of interstellar molecules. Specifically, equilibrium geometries, isomeric energies, heats of reactions, and reaction pathways were calculated for plausible ion-molecule reactions involving NO and NO(+). The results of these calculations suggest that HNO(+) and HON(+) could be present in observable abundance in interstellar clouds. These species can be formed by the reaction of NO with H3(+) but not by NO(+) with H2. Moreover, they are stable to dissociation and do not react with H2 to re-form NO or to form isomers of HNOH(+).

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