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FTIR product study of the self-reaction of FC(O)O2 radicals

✍ Scribed by Timothy J. Wallington; Michael D. Hurley; M. Matti Maricq

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 581 KB
Volume: 205
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)85167-m

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✦ Synopsis

Fourier transform infrared spectroscopy has been used to identify and quantify FC(O)OOC (0)F and COP as products following the self-reaction of FC(O)Os radicals. Fmm the observed product yields, it was determined that the reaction proceeds pro dominately (80%+20%), if not exclusively, via FC(O)O,+FC(O)O,-+FC(O)O+FC(O)O+Oa, with a minor (20%+20%), orzeracontributionbyFC(0)O~tFC(O)O~~FC(O)OOC(O)FtO~.Alowerlimitof3wasdeducedforthelof~(O)O radicals with respect to thermal dissociation into F atoms and CO, at 298 K and 700 Torr total pressure. Results are discussed with respect to the atmospheric chemistry of hydrofluorocarbons.

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