Kinetic isotope effects in the reaction of fluorine atoms with molecular hydrogen. I H2/D2 kinetic isotope effect

Avigdor Persky

doi:10.1063/1.1680527

Kinetic isotope effects in the reaction of fluorine atoms with molecular hydrogen. I H₂/D₂ kinetic isotope effect

Avigdor Persky

Weizmann Institute of Science

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Abstract

The kinetic isotope effect in the reaction of fluorine atoms with H₂ and D₂ was measured as a function of reaction temperature in the range of 163 to 417°K. The isotope effect can be expressed as an Arrhenius type equation: k_F+H₂ / k_F+D₂ = (1.04 ± 0.02) exp[(370 ± 10)/RT]. Experiments were carried out in a flow system with direct mass spectrometric analysis of reaction products. Fluorine atoms were produced by dissociating SF₆ or CF₄ in a microwave discharge.

Original language	English
Pages (from-to)	3612-3615
Number of pages	4
Journal	Journal of Chemical Physics
Volume	59
Issue number	7
DOIs	https://doi.org/10.1063/1.1680527
State	Published - 1 Oct 1973
Externally published	Yes

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AB - The kinetic isotope effect in the reaction of fluorine atoms with H2 and D2 was measured as a function of reaction temperature in the range of 163 to 417°K. The isotope effect can be expressed as an Arrhenius type equation: kF+H2 / kF+D2 = (1.04 ± 0.02) exp[(370 ± 10)/RT]. Experiments were carried out in a flow system with direct mass spectrometric analysis of reaction products. Fluorine atoms were produced by dissociating SF6 or CF4 in a microwave discharge.

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Kinetic isotope effects in the reaction of fluorine atoms with molecular hydrogen. I H₂/D₂ kinetic isotope effect

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