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Quantum Aspects of Molecular Motions in Solids pp 93–97Cite as

Rotational Tunneling of Matrix-Isolated Tetramethyl Compounds

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Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 17))

Abstract

Sn(CH3)4 was isolated in solid argon, krypton and SF6, and Pb(CH3)4 in argon. Tunneling transitions are reported at 68 and 83 μeV for Sn(CH3)4 and 290 μeV for Pb(CH3)4 in argon. In Kr and SF6 matrices no well-defined tunneling transitions were observed, probably due to disorder in the packing site. Hindrance potentials for the methyl group rotation with a high sixfold contribution are found, since the tunneling methyl groups are parallel to 111-planes of the argon lattice and thus face a symmetric environment. Furthermore, the assignments of ν8, ν19 and of a mode at 11 meV are discussed on the basis of far-IR data.

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Literature

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Authors and Affiliations

  1. Institut für Physikalische Chemie, Universität Siegen, Postfach 101240, D-5900, Siegen, Fed. Rep. of Germany

    W. Langel, O. Schrems & E. Knözinger

  2. Institut für Festkörperforschung der Kernforschungsanlage Jülich, Postfach 1913, D-5170, Jülich, Fed. Rep. of Germany

    M. Prager

Authors
  1. W. Langel
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  2. O. Schrems
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  3. E. Knözinger
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  4. M. Prager
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Editor information

Editors and Affiliations

  1. Institut Laue-Langevin, Avenue des Martyrs, Centre de Tri 156X, F-38042, Grenoble Cedex, France

    Anton Heidemann , Andreas Magerl  & Dieter Richter ,  & 

  2. Institut für Festkörperforschung, Kernforschungsanlage Jülich GmbH, Postfach 1913, D-5170, Jülich, Fed. Rep. of Germany

    Michael Prager  & Tasso Springer (Professor) &  (Professor)

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© 1987 Springer-Verlag Berlin Heidelberg

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Langel, W., Schrems, O., Knözinger, E., Prager, M. (1987). Rotational Tunneling of Matrix-Isolated Tetramethyl Compounds. In: Heidemann, A., Magerl, A., Richter, D., Prager, M., Springer, T. (eds) Quantum Aspects of Molecular Motions in Solids. Springer Proceedings in Physics, vol 17. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71914-1_17

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  • DOI: https://doi.org/10.1007/978-3-642-71914-1_17

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-71916-5

  • Online ISBN: 978-3-642-71914-1

  • eBook Packages: Springer Book Archive

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