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Molecular structure and vibrational characteristics of thorium tetrafluoride

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Abstract

The molecular structure of ThF4 is studied by synchrotron electron diffractometry and mass spectrometry. The thermally mean values of internuclear distances are found at a temperature of 1370±20 K: rg(Th-F) = 2.124(5) å, rg(F-F) = 3.418(31) å, δ(F-F) = 0.049(32) å, and LF-Th-F = 107.2(1.7)‡. These distances agree with the tetrahedral structure of the molecule. The missing vibration frequencies of the ThF4 molecule are calculated in a combined analysis of electron diffraction and spectroscopic data: v1 = 620(30) cm-1 and v2 = 115(15) cm-1.

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Authors and Affiliations

  1. Ivanovo State Chemical Technological University, Russia

    G. V. Girichev, A. V. Krasnov, N. I. Giricheva & O. G. Krasnova

  2. Ivanovo State University, Russia

    G. V. Girichev, A. V. Krasnov, N. I. Giricheva & O. G. Krasnova

Authors
  1. G. V. Girichev
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  2. A. V. Krasnov
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  3. N. I. Giricheva
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  4. O. G. Krasnova
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Translated fromZhurnal Strukturnoi Khimii, Vol. 40, No. 2, pp. 251–258, March–April, 1999.

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Girichev, G.V., Krasnov, A.V., Giricheva, N.I. et al. Molecular structure and vibrational characteristics of thorium tetrafluoride. J Struct Chem 40, 207–213 (1999). https://doi.org/10.1007/BF02903648

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  • DOI: https://doi.org/10.1007/BF02903648

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