Kinetic Studies of the Reactions of Atomic Chlorine and Bromine with Silane

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Article on kinetic studies of the reactions of atomic chlorine and bromine with silane.

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5 p.

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Ding, Luying & Marshall, Paul March 1, 1992.

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Article on kinetic studies of the reactions of atomic chlorine and bromine with silane.

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5 p.

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Abstract: The kinetics of the reactions Cl(²Pᴊ) + SiH₄ (1) and Br(²Pᴊ) + SiH₄ (2) have been investigated by time-resolved atomic resonance fluorescence spectroscopy. Halogen atoms were generated by flash photolysis of CCl₄ and CH₂Br₂. Experiments over 295-472 K yielded k₁ = (1.56 ± 0.11) x 10⁻¹⁰ exp[(2.0 ± 0.2) kJ mol⁻¹/RT] cm³ s⁻¹ and studies over 295-575 K yielded k₂ = (9.0 ± 1.5) x 10⁻¹¹ exp[(-17.0 ± 0.6) kJ mol⁻¹/RT] cm³ s⁻¹. 95% confidence intervals are about ± 10% and ± 20%, respectively. These expressions are in good agreement with most earlier measurements. An expression for k₋₁, based on transition-state theory or formation of an intermediate adduct, are discussed.

Reprinted with permission from the Journal of Physical Chemistry. Copyright 1992 American Chemical Society.

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  • Journal of Physical Chemistry, 1992, Washington D.C.: American Chemical Society, pp. 2197-2201

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Publication Information

  • Publication Title: Journal of Physical Chemistry
  • Volume: 96
  • Issue: 5
  • Page Start: 2197
  • Page End: 2201
  • Pages: 5
  • Peer Reviewed: Yes

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  • September 11, 1991

Accepted Date

  • November 21, 1991

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  • March 1, 1992

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  • April 25, 2015, 8:59 p.m.

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Ding, Luying & Marshall, Paul. Kinetic Studies of the Reactions of Atomic Chlorine and Bromine with Silane, article, March 1, 1992; [Washington, D.C.]. (digital.library.unt.edu/ark:/67531/metadc503273/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.