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Crystal structure of a new ternary molybdate Rb5CeZr(MoO4)6 |
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| Authors: | L. I. Gongorova B. G. Bazarov O. D. Chimitova A. G. Anshits T. A. Vereschagina R. F. Klevtsova L. A. Glinskaya Zh. G. Bazarova |
| Affiliation: | 1. Baikal Institute of Nature Management, Siberian Division, Russian Academy of Sciences, Ulan-Ude, Russia 3. Institute of Chemistry and Chemical Technology, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russia 2. A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk, Russia |
| Abstract: | A ternary salt system Rb2MoO4-Ce2(MoO4)3-Zr(MoO4)2 is studied by powder XRD. Single crystals of 5:1:2 ternary rubidium-cerium-zirconium molybdate Rb5CeZr(MoO4)6 are obtained by solution melt crystallization under spontaneous nucleation conditions. The crystal structure is solved by X-ray crystallography (X8 APEX automated diffractometer, MoK ?? radiation, 1274 F(hkl), R = 0.0456). The parameters of a trigonal unit cell are: a = b = 10.7248(2) ?, c = 38.796(1) ?, V = 3864.52(14) ?3, Z = 6, $Rbar 3c$ space group. The three-dimensional complex framework comprises Mo tetrahedra linked to two independent (Ce,Zr)O6 octahedra. Two types of rubidium atoms occupy large cavities of the framework. |
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