Ultraviolet absorption spectra and kinetics of CH3S and CH2SH radicals

C. Anastasi, M. Broomfield, O.J. Nielsen, P. Pagsberg

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    Abstract

    The ultraviolet absorption spectra of CH3S and CH2SH radicals have been measured between 215 and 380 nm using the pulse-radiolysis/kinetic-absorption method. One absorption band between 250 and 300 nm and one around 215 nm have been tentatively assigned to the CH2SH and CH3S radicals, respectively. This spectrum has been used to measure the self-reaction rates of these radicals. Rate constants of 4 x 10(-11) and 7 x 10(-11) cm3 molecule-1 s-1 have been measured at 298 K for CH3S and CH2SH recombination, respectively. The possible reaction pathways are discussed.
    Original languageEnglish
    JournalChemical Physics Letters
    Volume182
    Issue number6
    Pages (from-to)643-648
    ISSN0009-2614
    DOIs
    Publication statusPublished - 1991

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