Singlet methylene removal by halogen-containing organic species

Frances Hayes, Warren D. Lawrance, Warren S. Staker, Keith D. King

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    The technique of laser flash photolysis/laser absorption has been used to obtain absolute removal rate constants for singlet methylne, 1CH21A1), with various halogen-containing organic species. The removal rate constants for CH3Cl, CH2Cl2, CHCl3, CCl4, CH3CCl3, CH2CHCl, CH3Br, CH2CHBr, ch3F, CF4, CHF2CFH2, C2F6 CH2CHF, C2F4, C6H5F, p-C6F2 and CF3COOCOCF3 were measured and found to be (2.72±0.13), (3.36±0.19), (3.48±0.17), (3.35±0.21), (3.61±0.37), (3.21±0.16), (3.03±0.16), (3.54±0.19), (0.549±0.025), (0.169±0.018), (0.639±0.059), (0.212±0.031), (1.73±0.09), (0.509±0.062), (3.36±0.19), (2.59±0.26) and (2.00±0.14) × 10-10 cm3 molecule-1s-1, respectively. Comparisons are drawn between the reactivities of the various halide groups and with their hydrocarbon analogues.

    Original languageEnglish
    Pages (from-to)530-535
    Number of pages6
    JournalChemical Physics Letters
    Volume231
    Issue number4-6
    DOIs
    Publication statusPublished - 30 Dec 1994

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