Abstract
A complex electron diffraction and mass spectrometric investigation of the saturated vapor of rhenium tetrafluoride has been carried out. The principal molecular form in the vapor phase at T=471 K is the dimer Re2F8. The geometric structure of the Re2F8 molecule has the equilibrium eclipsed conformation of symmetry D4h with a triple bond, Re≡Re. The barrier to internal rotation of the ReF4 groups relative to one another is 2.8±2.8 kJ/mole. The vibration frequencies of the Re2F8 molecule have been estimated on the basis of the experimental amplitudes of vibration.
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Ivanovo Chemical Technology Institute. Translated from Zhurnal Strukturnoi Khimii, Vol. 34, No. 2, pp. 46–54, March–April, 1993.
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Giricheva, N.I., Girichev, G.V., Lapshina, S.B. et al. Geometric structure and vibration frequencies of Re2F8 . J Struct Chem 34, 214–224 (1993). https://doi.org/10.1007/BF00761471
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DOI: https://doi.org/10.1007/BF00761471