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Issue 7, 2015
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Direct evidence for a substantive reaction between the Criegee intermediate, CH2OO, and the water vapour dimer

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Abstract

The C1 Criegee intermediate, CH2OO, reaction with water vapour has been studied. The removal rate constant shows a quadratic dependence on [H2O], implying reaction with the water dimer, (H2O)2. The rate constant, kCH2OO+(H2O)2 = (4.0 ± 1.2) × 10−12 cm3 molecule−1 s−1, is such that this is the major atmospheric sink for CH2OO.

Graphical abstract: Direct evidence for a substantive reaction between the Criegee intermediate, CH2OO, and the water vapour dimer

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Publication details

The article was received on 18 Oct 2014, accepted on 09 Jan 2015 and first published on 19 Jan 2015


Article type: Communication
DOI: 10.1039/C4CP04750H
Citation: Phys. Chem. Chem. Phys., 2015,17, 4859-4863
  • Open access: Creative Commons BY license
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    Direct evidence for a substantive reaction between the Criegee intermediate, CH2OO, and the water vapour dimer

    T. R. Lewis, M. A. Blitz, D. E. Heard and P. W. Seakins, Phys. Chem. Chem. Phys., 2015, 17, 4859
    DOI: 10.1039/C4CP04750H

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