Laser measurements of the effects of vibrational energy on the reactions of CN
- 15 July 1984
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 81 (2) , 833-840
- https://doi.org/10.1063/1.447717
Abstract
Pulsed laser photolysis of C2N2 at 193 nm has been used as a source of CN radicals in both the v″=0 and v″=1 levels. Individual rovibronic levels of these radicals were measured as a function of time with a tunable dye laser. From these measurements the rate constants for the reaction of each of these vibrational level with H2, O2, CO, CO2, N2, HCN, C2N2, and CH4 have been determined. Some enhancement in the rate constant with vibrational energy which could not be ascribed to quenching was observed for O2, CH4, and H2. Only vibrational quenching was observed for HCN, N2, CO2, CO, and C2N2. In the CO case the vibrational quenching rate appears to be significantly enhanced by complex formation during the quenching process.Keywords
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