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Preprints
https://doi.org/10.5194/acp-2020-472
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-2020-472
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  08 Jun 2020

08 Jun 2020

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This preprint is currently under review for the journal ACP.

Evaluated kinetic and photochemical data for atmospheric chemistry: Volume VII – Criegee intermediates

R. Anthony Cox1, Markus Ammann2, John N. Crowley3, Hartmut Herrmann4, Michael E. Jenkin5, V. Faye McNeill6, Abdelwahid Mellouki7, Jürgen Troe8, and Timothy J. Wallington9 R. Anthony Cox et al.
  • 1Centre for Atmospheric Science, Dept. of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EP, UK
  • 2Laboratory of Radiochemistry and Environmental Chemistry, OFLB 103, Paul Scherrer Institut, 5232 Villigen, Switzerland
  • 3Max Planck Institute for Chemistry, Division of Atmospheric Chemistry, 55128 Mainz, Germany
  • 4Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Dept. (ACD), 04318 Leipzig, Germany
  • 5Atmospheric Chemistry Services, Okehampton, Devon, EX20 4QB, UK
  • 6Department of Chemical Engineering, Columbia University, New York, NY 10027, USA
  • 7ICARE-CNRS, 1 C Av. de la Recherche Scientifique, 45071 Orléans CEDEX 2, France
  • 8Institute of Physical Chemistry, University of Göttingen, Tammannstr. 6, 37077 Göttingen, Germany
  • 9Ford Motor Company, Research and Advanced Engineering, Mail Drop RIC-2122, Dearborn, Michigan 48121-2053, USA

Abstract. This article, the seventh in the series, presents kinetic and photochemical data sheets evaluated by the IUPAC Task Group on Atmospheric Chemical Kinetic Data Evaluation. It covers an extension of the gas phase and photochemical reactions related to Criegee intermediates previously published in ACP in 2006, and implemented on the IUPAC website up to 2020. The article consists of an introduction, description of laboratory measurements, discussion of rate coefficients for reactions of O3 with alkenes producing Criegee intermediates, rate coefficients of unimolecular and bimolecular reactions and photochemical data for reactions of Criegee intermediates, and overview of the atmospheric chemistry of Criegee intermediates. Summary tables of the recommended kinetic and mechanistic parameters for the evaluated reactions are provided. Data sheets summarizing information upon which the recommendations are based are given in two files, provided as a Supplement to this article.

R. Anthony Cox et al.

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Short summary
Criegee intermediates, formed from alkene-ozone reactions, play a potentially important role as tropospheric oxidants. Evaluated kinetic data are provided for reactions governing their formation and removal, for use in atmospheric models. These include their formation from reactions of simple and complex alkenes; and removal by decomposition and by reaction with a number of atmospheric species (e.g. H2O, SO2). An overview of the tropospheric chemistry of Criegee intermediates is also provided.
Criegee intermediates, formed from alkene-ozone reactions, play a potentially important role as...
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