ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
Several reactions of the form A+HD→AD(H)+H(D) have been studied by a two laser experiment. One laser dissociates a molecule to form a reactive atom A and the second laser monitors the hydrogen atom products by laser induced fluorescence. When A is F(2P), O(1D), and S(1D), the H/D ratios are 0.66±0.10, 1.13±0.08, and 1.91±0.10, respectively. Muckerman and co-workers have given qualitative arguments that abstraction reactions should have an H/D ratio less than one whereas insertion reactions should have H/D greater than one. Inasmuch as extensive previous experimental and theoretical work has shown that F(2P)+H2 procedes by abstraction whereas O(1D)+H2 and S(1D)+H2 proceed largely by insertion, the present results are consistent with the general qualitative conjecture.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.449241
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