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Reactions of molybdenum, tungsten, and uranium hexafluorides in acetic and trifluoroacetic acids

  • Inorganic and Analytical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Molybdenum, tungsten, and uranium hexafluorides react with anhydrous acetic acid, with the formation of oxyfluorides: MoOF4, WO2F2, and UO2F2. In the presence of fluorides of the alkali metals, complex compounds of the type of KMVIO2F3 (M=Mo) and K2MVIo2F4 (M=W and U) were isolated from solution.

  2. 2.

    Uranium hexafluoride reacts with anhydrous trifluoroacetic acid, with the formation of HUF6. In the presence of fluorides of the alkali metals, complex compounds of the type of CF3CO2MI·2UF5 (M=Li, Na, K, Rb, Cs).

  3. 3.

    The decrease in the strength of trifluoroacetic acid in comparison with acetic acid with respect to uranium hexafluoride (CF3COOH undergoes destruction, while CH3COOH is dehydrated) is explained by the presence of a large number of fluorine atoms at the carbon atom next to the carboxyl.

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Authors and Affiliations

  1. N. S. Kurnakov Institute of General and Inorganic Chemistry, Academy of Sciences of the USSR, USSR

    N. S. Nikolaev, Yu. Ya. Kharitonov, A. T. Sadikova, T. A. Rasskazova & A. Z. Kozorezov

Authors
  1. N. S. Nikolaev
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  2. Yu. Ya. Kharitonov
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  3. A. T. Sadikova
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  4. T. A. Rasskazova
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  5. A. Z. Kozorezov
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 757–764, April, 1972.

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Nikolaev, N.S., Kharitonov, Y.Y., Sadikova, A.T. et al. Reactions of molybdenum, tungsten, and uranium hexafluorides in acetic and trifluoroacetic acids. Russ Chem Bull 21, 719–724 (1972). https://doi.org/10.1007/BF00854459

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  • DOI: https://doi.org/10.1007/BF00854459

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