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Crystal structure of tetramethylammonium hexafluoridoniobate(V) and hexafluoridotantalate(V)

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Abstract

Crystal structures of newly synthesized tetramethylammonium hexafluoridoniobate(V) and hexafluoridotantalate(V) (CH3)4N[МF6] (M=Nb, Ta) have been determined; they crystallize in the tetragonal crystal system, sp. gr. P4/nmm. Crystal structures of isostructural compounds (CH3)4N[МF6] (M=Nb, Ta) are formed by virtually regular tetrahedral tetramethylammonium cations (CH3)4N+ (NMe4, TMA) and octahedral complex anions [МF6]– (M=Nb, Ta), fluorine atoms of the equatorial plane are statistically disordered over two positions. Ionic interactions and weak hydrogen bonds C–H•••F join the cations and the complex anions in a 3D assembly.

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Authors and Affiliations

  1. Institute of Chemistry, Far East Branch, Russian Academy of Sciences, Vladivostok, Russia

    A. A. Udovenko, R. L. Davidovich & V. B. Logvinova

  2. Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, Russia

    V. V. Tkachev

Authors
  1. A. A. Udovenko
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  2. R. L. Davidovich
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  3. V. B. Logvinova
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  4. V. V. Tkachev
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Corresponding author

Correspondence to A. A. Udovenko.

Additional information

Translated from Zhurnal Strukturnoi Khimii, Vol. 57, No. 8, pp. 1679–1682, November–December, 2016.

Original Russian Text © 2016 A. A. Udovenko, R. L. Davidovich, V. B. Logvinova, V. V. Tkachev.

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Udovenko, A.A., Davidovich, R.L., Logvinova, V.B. et al. Crystal structure of tetramethylammonium hexafluoridoniobate(V) and hexafluoridotantalate(V). J Struct Chem 57, 1584–1587 (2016). https://doi.org/10.1134/S0022476616080138

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  • DOI: https://doi.org/10.1134/S0022476616080138

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