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Direct Kinetic Measurements of Criegee Intermediate (CH 2 OO) Formed by Reaction of CH 2 I with O 2
Abstract
Criegee Sighting: Standard mechanistic models for the reaction of ozone with unsaturated hydrocarbons implicate a transient carbonyl oxide compound, termed the “Criegee intermediate,” which has largely eluded detection. Welz et al. (p. 204 ; see the Perspective by Marston ) have now detected the compound by using mass spectrometry, following the low-pressure photolytic reaction of oxygen with diiodomethane, and measured its decay kinetics in the presence of nitric oxide, nitrogen dioxide, and sulfur dioxide. Reaction rates were higher than expected, suggesting that the intermediate may play a more prominent role in atmospheric chemistry than previously assumed.
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Cites
Evidence for Substantial Variations of Atmospheric Hydroxyl Radicals in the Past Two Decades
Prinn, R. G., Huang, J., Weiss, R. F., Cunnold, D. M., Fraser, P. J., Simmonds, P. G., McCulloch, A., Harth, C., Salameh, P., O'Doherty, S., et al. (2001) · Science · doi:10.1126/science.1058673 · Cited by 695
Cited by
Formation of Urban Fine Particulate Matter
Zhang, R., Wang, G., Guo, S., Zamora, M. L., Ying, Q., Lin, Y., Wang, W., Hu, M., & Wang, Y. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00067 · Cited by 1,426
Oxidation products of biogenic emissions contribute to nucleation of atmospheric particles
Riccobono, F., Schobesberger, S., Scott, C. E., Dommen, J., Ortega, I. K., Rondo, L., Almeida, J., Amorim, A., Bianchi, F., Breitenlechner, M., et al. (2014) · Science · doi:10.1126/science.1243527 · Cited by 642
Chemistry and the Linkages between Air Quality and Climate Change
von Schneidemesser, E., Monks, P. S., Allan, J. D., Bruhwiler, L., Forster, P., Fowler, D., Lauer, A., Morgan, W. T., Paasonen, P., Righi, M., et al. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00089 · Cited by 522
Infrared Absorption Spectrum of the Simplest Criegee Intermediate CH 2 OO
Su, Y.-T., Huang, Y.-H., Witek, H. A., & Lee, Y.-P. (2013) · Science · doi:10.1126/science.1234369 · Cited by 274
Taatjes, C. A., Khan, M. A. H., Eskola, A. J., Percival, C. J., Osborn, D. L., Wallington, T. J., & Shallcross, D. E. (2019) · Environmental Science & Technology · doi:10.1021/acs.est.8b05073 · Cited by 38
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Metadata
- Authors
- Welz, O., Savee, J. D., Osborn, D. L., Vasu, S. S., Percival, C. J., Shallcross, D. E., & Taatjes, C. A.
- Venue
- Science
- Published
- 2012-01-13
- Volume
- 335
- Issue
- 6065
- Pages
- 204-207
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2020904648
- Cited by
- 707
- References
- 1
- FWCI
- 45.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Welz, O., Savee, J. D., Osborn, D. L., Vasu, S. S., Percival, C. J., Shallcross, D. E., & Taatjes, C. A. (2012). Direct Kinetic Measurements of Criegee Intermediate (CH 2 OO) Formed by Reaction of CH 2 I with O 2. Science. https://doi.org/10.1126/science.1213229
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