On the possible role of the reaction O + HO2 - OH + O2 in OH airglow

Details On the possible role of the reaction O + HO2 - OH + O2 in OH airglow On the possible role of the reaction O + HO2 - OH + O2 in OH airglow

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93..285k&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Jan. 1, 1988, p. 285-288.

Other

23

Airglow, Chemical Reactions, Hydroxyl Emission, Infrared Radiation, Upper Atmosphere, Exothermic Reactions, Polar Regions

Scientific paper

Several workers have concluded that analysis of the OH infrared emission from the upper mesosphere and lower thermosphere requires population of OH(υ = 5, 6) by the reaction O+HO2 → OH(υ ≤ 6) +O2. It has been stated previously that this may be unlikely if the reaction proceeds by O atom transfer rather than H atom transfer. The author shows here that recent laboratory evidence argues convincingly that the mechanism of this reaction involves O atom transfer after formation of an HO3 complex and that little or no population of highly vibrational levels (υ ≥ 4) of OH are expected, although nonnegligible population of lower levels seems plausible.

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