Record Display for the EPA National Library Catalog

RECORD NUMBER: 22 OF 23

OLS Field Name OLS Field Data
Main Title Transition-State-Theory Calculations for Reactions of OH with Haloalkanes.
Author Cohen, N. ; Benson, S. W. ;
CORP Author Aerospace Corp., Los Angeles, CA. ;University of Southern California, Los Angeles. Loker Hydrocarbon Research Inst.;Environmental Protection Agency, Research Triangle Park, NC. Atmospheric Sciences Research Lab.
Year Published 1987
Report Number EPA-R-810705; EPA/600/J-87/178;
Stock Number PB88-159652
Additional Subjects Haloalkanes ; Molecular vibration ; Activation energy ; Chemical reactions ; Reprints ; Hydroxyl radicals ; Chemical reaction kinetics
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB88-159652 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 12p
Abstract
A method previously used for extrapolating rate coefficients for reactions of OH radicals with alkanes and of 0 atoms with alkanes using conventional transition state theory is applied to reactions of OH radicals with ten halomethanes. Particular attention is given to the problem of estimating the vibrational frequencies in the activated complexes. Values of the entropy of activation for each reaction are calculated, which, together with the experimental values of k(298), are used to calculate k(T) at higher temperatures. The calculated values differ from experimental values by no more than 25%.