Exchange reactions of hydrogen atoms with SiD4: an inversion mechanism?

Katz, Benjamin ; Park, Jeunghee ; Satyapal, Sunita ; Tasaki, Shintaro ; Chattopadhyay, Arun ; Yi, Whikun ; Bersohn, Richard (1991) Exchange reactions of hydrogen atoms with SiD4: an inversion mechanism? Faraday Discussions, 91 . pp. 73-78. ISSN 0301-7249

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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1991...

Related URL: http://dx.doi.org/10.1039/DC9919100073

Abstract

The reaction H + SiD4→ D + SiH3D is found to have a much lower threshold than the corresponding exchange reaction of H with CD4. The D atom carries away most of the initial translational energy of the H atom. When the H-atom velocity distribution is anisotropic, the D-atom velocity distribution is anisotropic in the same sense. The exchange cross-sections for the reaction H + SiH3D are about one half of those for SiD4. All this evidence leads to the conclusion that the mechanism of the exchange is an inversion.

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