The temperature dependence of the rate constant for O + + NO → NO + + O from 23 to 30000 K

The rate constant, k, for the charge transfer reaction O + + NO + +_O, known to be slow at 300 K (8 × 10 −13 cm 3s −1) and to increase with relative kinetic energy (or temperature, T) to 2 × 10 −10 cm 3 s −1 at 30000 K, has been measured down to 23 K. The results show that k also increasesa t low T...

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Published inChemical physics letters Vol. 270; no. 1; pp. 66 - 70
Main Authors Le Garrec, J.L., Lepage, V., Rowe, B.R., Ferguson, E.E.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 16.05.1997
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Summary:The rate constant, k, for the charge transfer reaction O + + NO + +_O, known to be slow at 300 K (8 × 10 −13 cm 3s −1) and to increase with relative kinetic energy (or temperature, T) to 2 × 10 −10 cm 3 s −1 at 30000 K, has been measured down to 23 K. The results show that k also increasesa t low T (3.2 × 10 −11 cm s −1 at 23 K) which is interpreted as being due to the formation of a long-lived complex in which electronic state curve crossings occur.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(97)00331-X