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

Benjamin Katz, Jeunghee Park, Sunita Satyapal, Shintaro Tasaki, Arun Chattopadhyay, Whikun Yi, Richard Bersohn

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


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.

Original languageEnglish
Pages (from-to)73-78
Number of pages6
JournalFaraday Discussions of the Chemical Society
StatePublished - 1 Dec 1991

ASJC Scopus subject areas

  • Physics and Astronomy (all)
  • Physical and Theoretical Chemistry


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