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The First Observation of the Broad-Range DRIFT Spectrum of Methane Adsorbed on H-Mordenite

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Abstract

This paper presents the first observation of the broad-range NIR DRIFT spectrum of CH4 adsorbed on HM zeolite including different combinations of C–H bending and stretching vibrations and overtones of those vibrations. The obtained results indicate that adsorption of methane results in the strongest perturbation of the combinations of ν2 and ν4 C–H bending frequencies with each other and with the ν3 asymmetric stretching frequency. Therefore, it is suggested that those combinations could be used as a better index of methane perturbation and of the reaction coordinate of methane protolytic dehydrogenation than the fundamental frequencies commonly used for this purpose.

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Authors and Affiliations

  1. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, Moscow, 117334, Russia

    V.B. Kazansky & A.I. Serykh

  2. Department of Chemical Engeneering, University of California, Berkeley, CA, 94720-1462, USA

    A.T. Bell

Authors
  1. V.B. Kazansky
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  2. A.I. Serykh
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  3. A.T. Bell
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Kazansky, V., Serykh, A. & Bell, A. The First Observation of the Broad-Range DRIFT Spectrum of Methane Adsorbed on H-Mordenite. Catalysis Letters 77, 215–218 (2001). https://doi.org/10.1023/A:1013270318348

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  • DOI: https://doi.org/10.1023/A:1013270318348

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