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STRUCTURAL DISORDER AND IONIC MOBILITY IN PHOSPHATE-FLUORIDE ANTIMONY(III) COMPLEXES MSbF(PO4)·H2O (M = Na, Rb, NH4) ACCORDING TO 19F, 31P, 1H NMR AND MAS NMR

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Abstract

Phosphate-fluoride compounds MSbF(PO4)·H2O (M = Na, Rb, NH4) are studied by 19F, 31P, 1H NMR and by magic-angle spinning NMR (MAS NMR) in the temperature range 150-350 K. The types of ionic and molecular motions in these compounds are determined, their activation energies are estimated. The presence of acidic phosphate groups in sodium and rubidium compounds is established. The 19F MAS NMR spectra of antimony(III) phosphate fluorides are similar to each other due to the similar structure of these compounds, while the multitude of signals in the spectra indicates the disorder of cationic sublattices of the complexes.

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Authors and Affiliations

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

    A. B. Slobodyuk, N. V. Makarenko, M. M. Polyantsev, V. Ya. Kavun & L. A. Zemnukhova

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  1. A. B. Slobodyuk
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  2. N. V. Makarenko
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  3. M. M. Polyantsev
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  4. V. Ya. Kavun
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  5. L. A. Zemnukhova
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Correspondence to A. B. Slobodyuk.

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Russian Text © The Author(s), 2023, published in Zhurnal Strukturnoi Khimii, 2023, Vol. 64, No. 2, 105513.https://doi.org/10.26902/JSC_id105513

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Slobodyuk, A.B., Makarenko, N.V., Polyantsev, M.M. et al. STRUCTURAL DISORDER AND IONIC MOBILITY IN PHOSPHATE-FLUORIDE ANTIMONY(III) COMPLEXES MSbF(PO4)·H2O (M = Na, Rb, NH4) ACCORDING TO 19F, 31P, 1H NMR AND MAS NMR. J Struct Chem 64, 190–198 (2023). https://doi.org/10.1134/S0022476623020038

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