Abstract
The synthesis and X-ray diffraction study of compounds K2-x (NH4)xZrF6 (0 < x < 2) were carried out. In all crystals of mixed composition, potassium cations are isomorphously replaced by ammonium cations. The compounds with x < 0.5 are isostructural to K2ZrF6 and those with x > 1.5, to (NH4)2ZrF6. At 0.5 < x < 1.5, the structures are built of linear polymeric chains formed by edge-sharing Zr dodecahedra. The distribution of potassium and ammonium cations over the cationic positions was considered.
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Gerasimenko, A.V., Tkachenko, I.A., Kavun, V.Y. et al. Synthesis and complex investigation of potassium ammonium hexafluorozirconates: I. Synthesis and X-ray diffraction study of K2-x (NH4)xZrF6 (0 < x < 2) crystals. Russ. J. Inorg. Chem. 51, 9–22 (2006). https://doi.org/10.1134/S0036023606010037
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DOI: https://doi.org/10.1134/S0036023606010037