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Laser measurements of the effects of vibrational energy on the reactions of CNPulsed laser photolysis of C2N2 at 193 nm has been used as a source of CN radicals in both the v-double-prime = 0 and v-double-prime = 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 levels 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.
Document ID
19840059504
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Sayah, N.
(Howard Univ. Washington, DC, United States)
Jackson, W. M.
(Howard University Washington, DC, United States)
Li, X.
(Howard Univ. Washington, DC, United States)
Date Acquired
August 12, 2013
Publication Date
July 15, 1984
Publication Information
Publication: Journal of Chemical Physics
Volume: 81
ISSN: 0021-9606
Subject Category
Inorganic And Physical Chemistry
Accession Number
84A42291
Funding Number(s)
CONTRACT_GRANT: NAGW-446
CONTRACT_GRANT: DE-AS05-76ER-05056
Distribution Limits
Public
Copyright
Other

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