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FTIR product study of the self-reaction of CH2ClCH2O2 radicals in air at 295 K

✍ Scribed by Timothy J. Wallington; Jean M. Andino; Steven M. Japar

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 514 KB
Volume: 165
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(90)85427-e

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✦ Synopsis

Fourier transform infrared spectroscopy was used to identify and quantify products of the self-reaction of chloroethylperoxy radicals, CH2C1CH20z, formed in the photolysis of Cl&H4 mixtures in 700 Torr total pressure of synthetic air at 295 K. From these measurements, branching ratios for the reaction channels (la) and (lb), CH,ClCH,O,+CH,ClCH,O~+2CH,ClCH,Ot0, and CH2CICH20~+CH$lCH~02+CH~ClCHO+CHzClCHzOH+02, respectively, of k,./(k,,+k,,,)=0.69

and klb/ (k,.+k,,) =0.3! were established together with an upper limit for the rate of the reaction CHZClCH202+H02 +CH2C1CHz02Ht02. Additionally, using the relative rate technique, the rate constant for the reaction of Cl atoms with CHzCICHIOH has been determined to be (3.01+ 0.22) x IO-" cm3 molecule-' s-'.

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