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Journal of Structural Chemistry

, Volume 51, Issue 1, pp 173–176 | Cite as

Crystal structure of triple molybdate in the Rb2MoO4—Nd2(MoO4)3—Zr(MoO4)2 system

  • 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
  • L. I. Gongorova
Article

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.

Keywords

rubidium neodymium zirconium molybdate synthesis crystal structure 

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • O. D. Chimitova
    • 1
  • B. G. Bazarov
    • 1
  • R. F. Klevtsova
    • 2
  • A. G. Anshits
    • 3
  • K. N. Fedorov
    • 1
  • A. V. Dubentsov
    • 1
  • T. A. Vereshchagina
    • 3
  • Yu. L. Tushinova
    • 3
  • L. A. Glinskaya
    • 2
  • Zh. G. Bazarova
    • 1
  • L. I. Gongorova
    • 1
  1. 1.Baikal Insitute of Nature Management, Siberian DivisionRussian Academy of SciencesUlan-UdeRussia
  2. 2.A. V. Nikolaev Institute of Inorganic Chemistry, Siberian DivisionRussian Academy of SciencesNovosibirskRussia
  3. 3.Institute of Chemistry and Chemical Technology, Siberian DivisionRussian Academy of SciencesKrasnoyarskRussia

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