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Collision complex formation in the low-energy dynamics of the C+ + O2 reaction

✍ Scribed by D.M. Sonnenfroh; J.M. Farrar

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
645 KB
Volume
125
Category
Article
ISSN
0009-2614

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✦ Synopsis

A crossed beam study of CO+ production from the C+ + 0s reaction at a collision energy of 0.57 eV is presented. Very clear collision complex dynamics are observed which are shown to be consistent with the decay of a transient complex having a lifetime of approximately 0.5 ps. An analysis of the reactive scattering using an adiabatic state correlation diagram indicates that the formation of X-state CO: by insertion of C + into the O2 bond is accessible from the reagents and correlates adiabatically with ground-state products. The average kinetic energy release is approximately 23% of the available energy. A comparison of the present data with the chemiluminescent studies of A-state production of CO* indicates that the dominant channels at low energies are production of ground-state CO+ through the X 211s and a411 u state of COT. ' Alfred P. Sloan Fellow. * Heats of formation are from ref. [ 11, oxygen energy levels from ref. [2].

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