| Title: | Observation of a large negative temperature dependence for rate coefficients of reactions of OH with oxygenated volatile organic compounds studied at 86-112 K |
| Author(s): | Shannon RJ; Taylor S; Goddard A; Blitz MA; Heard DE; |
| Address: | "School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK" |
| ISSN/ISBN: | 1463-9084 (Electronic) 1463-9076 (Linking) |
| Abstract: | "The rate coefficients (k) for reactions of OH with acetone, methyl ethyl ketone (MEK) and dimethyl ether (DME) have been measured in the temperature range 86-112 K using a pulsed Laval nozzle apparatus. Large increases in k at lower temperatures were observed, with k(86K)/k(295K) = 334 for acetone, and k(93K)/k(295K) = 72 and 3, for MEK and DME respectively. A mechanism involving the formation of a hydrogen bonded complex prior to an overall barrier on the potential energy surface is proposed to explain this behaviour" |
| Notes: | "PubMed-not-MEDLINEShannon, Robin J Taylor, Sally Goddard, Andrew Blitz, Mark A Heard, Dwayne E eng England 2010/09/23 Phys Chem Chem Phys. 2010 Nov 7; 12(41):13511-4. doi: 10.1039/c0cp00918k. Epub 2010 Sep 22" |
