The temperature dependence of the kinetic isotope effect in the reaction of F atoms with CH4 and CD4

Avigdor Persky

doi:10.1016/j.cplett.2006.09.013

The temperature dependence of the kinetic isotope effect in the reaction of F atoms with CH₄ and CD₄

Avigdor Persky

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The kinetic isotope effect k_{F + CH4} / k_{F + CD4} has been determined by reacting F atoms with mixtures of CH₄ and CD₄, using a discharge-flow-mass spectrometric technique. Experiments were carried out at four temperatures in the temperature range 183-298 K. The Arrhenius expression corresponding to the results is k_{F +CH4} / k_{F + CD4} = (0.99 ± 0.02) × exp [(100 ± 5) / T]. The present results are compared with previous published experimental and theoretical results.

Original language	English
Pages (from-to)	251-254
Number of pages	4
Journal	Chemical Physics Letters
Volume	430
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2006.09.013
State	Published - 30 Oct 2006

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10.1016/j.cplett.2006.09.013

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abstract = "The kinetic isotope effect kF + CH4 / kF + CD4 has been determined by reacting F atoms with mixtures of CH4 and CD4, using a discharge-flow-mass spectrometric technique. Experiments were carried out at four temperatures in the temperature range 183-298 K. The Arrhenius expression corresponding to the results is kF +CH4 / kF + CD4 = (0.99 ± 0.02) × exp [(100 ± 5) / T]. The present results are compared with previous published experimental and theoretical results.",

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AB - The kinetic isotope effect kF + CH4 / kF + CD4 has been determined by reacting F atoms with mixtures of CH4 and CD4, using a discharge-flow-mass spectrometric technique. Experiments were carried out at four temperatures in the temperature range 183-298 K. The Arrhenius expression corresponding to the results is kF +CH4 / kF + CD4 = (0.99 ± 0.02) × exp [(100 ± 5) / T]. The present results are compared with previous published experimental and theoretical results.

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The temperature dependence of the kinetic isotope effect in the reaction of F atoms with CH₄ and CD₄

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