Abstract
Systems Tl2MoO4-E(MoO4)2 (E = Zr, Hf) are studied using X-ray powder diffraction, DTA, and IR spectroscopy. Compounds Tl8E(MoO4)6 and Tl2E(MoO4)2 are found in these systems. T-x diagrams for the Tl2MoO4-Zr(MoO4)2 system are designed. Single crystals are grown and structure is solved for Tl8Hf(MoO4)6. The compound crystallizes in a monoclinic structure with the unit cell parameters a = 9.9688(6) Å, b = 18.830(1) Å, c = 7.8488(5) Å, β = 108.538(1)°, Z = 2, space group C2/m. The main structural fragment is a [HfMo6O24]8− isle group. Three crystallographically independent types of Tl polyhedra uniformly fill spaces between [HfMo6O24]8− fragments to form a three-dimensional framework.
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Original Russian Text © B.G. Bazarov, R.F. Klevtsova, Ts.T. Bazarova, L.A. Glinskaya, K.N. Fedorov, Zh.G. Bazarova, O.D. Chimitova, 2006, published in Zhurnal Neorganicheskoi Khimii, 2006, Vol. 51, No. 5, pp. 860–865.
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Bazarov, B.G., Klevtsova, R.F., Bazarova, T.T. et al. Systems Tl2MoO4-E(MoO4)2, where E = Zr or Hf, and the crystal structure of Tl8Hf(MoO4)6 . Russ. J. Inorg. Chem. 51, 794–799 (2006). https://doi.org/10.1134/S0036023606050184
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DOI: https://doi.org/10.1134/S0036023606050184