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Rate constants of the combination of methyl radicals with nitric oxide and oxygen

✍ Scribed by Allan H. Laufer; Arnold M. Bass

Publisher: John Wiley and Sons
Year: 1975
Tongue: English
Weight: 532 KB
Volume: 7
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550070502

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✦ Synopsis

Rate constants for the combination of methyl radicals with NO and 0 2 have been measured by flash photolysis of azomethane coupled with product analysis by gas chromatography. Values of the rate constants have been obtained over the pressure regiofi from 50 to 700 torr with He, NP, and Ar as quenching molecules.

The high-pressure limits were obtained through an RRKM model calculation and were found to be

The rate constants .were measured relative to the methyl combination reaction kl with kl =: 9.5 X lo-" cm3/molec~sec. The RRKM model suggests Do(CH3-02) = 32 f 3 kcal./mole.

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