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Thermal rate constant calculation using flux–flux autocorrelation functions: Application to Cl+H2→HCl+H reaction
Wang, Haobin Thompson, Ward H. Miller, William H.
Wang, Haobin
Thompson, Ward H.
Miller, William H.
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Abstract
An efficient method was recently introduced by Thompson and Miller [J. Chem. Phys. 106, 142 (1997)] for calculating thermal rate constants using the flux–flux autocorrelation function with absorbing boundary conditions. The method uses an iterative method to exploit the low rank feature of the Boltzmannized flux operator and subsequently only propagates the eigenvectors that have significant contributions to the rate constant. In the present article, this method is used to calculate the thermal rate constants of the Cl+H2→HCl+Hreaction in the temperature range of 200–1500 °K. Total angular momentum is treated by employing the body-fixed axis frame, both exactly and also via various approximations. Comparisons with previous exact and approximate theoretical results are made.
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This is the publisher's version, also available electronically from http://scitation.aip.org/content/aip/journal/jcp/107/18/10.1063/1.474959.
Date
1997-08-01
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American Institute of Physics
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Wang, Haobin; Thompson, Ward H.; Miller, William H. (1997). "Thermal rate constant calculation using flux–flux autocorrelation functions: Application to Cl+H2→HCl+H reaction." The Journal of Chemical Physics, 107(18):7194-7201. http://dx.doi.org/10.1063/1.474959