The synthesis of complex molecules in interstellar clouds

Details The synthesis of complex molecules in interstellar clouds The synthesis of complex molecules in interstellar clouds

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...231..456h&link_type=abstract

Astrophysical Journal, Part 1, vol. 231, July 15, 1979, p. 456-467.

Other

83

Abundance, Interstellar Matter, Polyatomic Molecules, Radiative Recombination, Amines, Ammonia, Ethers, Formaldehyde, Formates, Ionic Reactions, Ketenes, Methane, Reaction Kinetics

Scientific paper

The abundances of polyatomic molecules that may be formed by CH3(+) radiative association reactions in dense interstellar molecular clouds are reevaluated. The formation of a number of complex interstellar molecules via radiative association reactions involving ionic precursors other than CH3(+) is also investigated; these additional precursors include CH3O(+), CH3CO(+), CH5(+), HCO(+), NO(+), H2CN(+), C2H2(+), and NH3(+). The results indicate that the postulated gas-phase ion-molecule radiative association reactions could potentially explain the synthesis of most of the more complex species observed in dense molecular clouds such as Sgr B2. It is concluded, however, that in order to be conclusive, laboratory data are needed to show whether or not these reactions proceed at the required rates at low temperatures.

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