Kinetics of the reaction of F atoms with O2 and UV spectrum of FO2 radicals in the gas phase at 295 K

T. Ellermann, J. Sehested, O.J. Nielsen, P. Pagsberg, T.J. Wallington

    Research output: Contribution to journalJournal articleResearch

    Abstract

    The ultraviolet absorption spectrum of FO2 radicals and the kinetics of the reaction of F atoms with O2 have been studied in the gas phase at 295 K using pulse radiolysis combined with kinetic UV spectroscopy. At 230 nm, sigma(FO2) = (5.08 +/- 0.70) X 10(-18) cm2 molecule-1. The kinetics of the reaction F + O2 + M-->FO2 + M (1), were investigated over the pressure range 200-1000 mbar of SF6 diluent. At 1 atm total pressure the pseudo-second-order rate constant for reaction (1) was determined to be (1.9 +/- 0.3) X 10(-13) cm3 molecule-1 s-1.
    Original languageEnglish
    JournalChemical Physics Letters
    Volume218
    Issue number4
    Pages (from-to)287-294
    ISSN0009-2614
    DOIs
    Publication statusPublished - 1994

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