Using X-ray phase analysis, the Rb2MoO4—Nd2(MoO4)3—Zr(MoO4)2 ternary salt system is studied. The crystals of rubidium-neodymium-zirconium triple molybdate are grown by solution-melt crystallization under spontaneous nucleation. According to the X-ray diffraction data (automatic X8 APEX diffractometer, MoK 6h radiation, 1345 F(hklit), R = 0.0356), the crystal structure and its composition is determined: Rb4.7Nd0.7Zr1.3(MoO4)6. The sizes of the trigonal unit cell are as follows: a = b= 10.7561(2) Å, c = 38.7790(12) Å, V= 3885.41(16) Å3, Z= 6, R3c space group. The three-dimensional mixed framework structure consists of Mo tetrahedra and two types of octahedra: (Nd,Zr)O6. The distribution of Nd3+ and Zr4+ cations over two crystallographic sites is also refined. Two types of rubidium atoms are located in large cavities of the framework.
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Original Russian Text Copyright © 2010 by O. D. Chimitova, B. G. Bazarov, R. F. Klevtsova, A. G. Anshits, K. N. Fedorov, A. V. Dubentsov, T. A. Vereshchagina, Yu. L. Tushinova, L. A. Glinskaya, Zh. G. Bazarova, and L. I. Gongorova
Translated from Zhurnal Strukturnoi Khimii, Vol. 51, No. 1, pp. 179–182, January–February, 2010.
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Chimitova, O.D., Bazarov, B.G., Klevtsova, R.F. et al. Crystal structure of triple molybdate in the Rb2MoO4—Nd2(MoO4)3—Zr(MoO4)2 system. J Struct Chem 51, 173–176 (2010). https://doi.org/10.1007/s10947-010-0025-z
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DOI: https://doi.org/10.1007/s10947-010-0025-z