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Assembly of a Pentagonal Polyoxomolybdate Building Block, [Mo6O21]6–, into Crystalline MoV Oxides†

  1. Masahiro Sadakane1,
  2. Keisuke Endo2,
  3. Katsunori Kodato2,
  4. Satoshi Ishikawa2,
  5. Toru Murayama2,
  6. Wataru Ueda2

Article first published online: 20 DEC 2012

DOI: 10.1002/ejic.201201142

Issue

European Journal of Inorganic Chemistry

European Journal of Inorganic Chemistry

Special Issue: Polyoxometalates (Cluster Issue)

Volume 2013, Issue 10-11, pages 1731–1736, April 2013

Additional Information

How to Cite

Sadakane, M., Endo, K., Kodato, K., Ishikawa, S., Murayama, T. and Ueda, W. (2013), Assembly of a Pentagonal Polyoxomolybdate Building Block, [Mo6O21]6–, into Crystalline MoV Oxides . Eur. J. Inorg. Chem., 2013: 1731–1736. doi: 10.1002/ejic.201201142

Author Information

  1. 1

    Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan, Fax: +81-82-424-5494, http://home.hiroshima-u.ac.jp/sada/

  2. 2

    Catalysis Research Center, Hokkaido University, N21, W10, Sapporo 001-0021, Japan

  1. †

    Dedicated to Michael T. Pope on the occasion of his 80th birthday

Publication History

  1. Issue published online: 26 MAR 2013
  2. Article first published online: 20 DEC 2012
  3. Manuscript Received: 24 SEP 2012

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Keywords:

  • Polyoxometalates;
  • Molybd­enum;
  • Vanadium;
  • Self-assembly

Abstract

The building-block assembly of polyoxometalates to form crystalline MoV-based metal oxides is presented. Mixing of (NH4)6Mo7O24 and VOSO4 in water with a pH value higher than 1.7 produced the ball-shaped polyoxometalate [Mo72V30O282(H2O)56(SO4)12]36– ({Mo72V30}) with 12 pentagonal [Mo6O21]6– polyoxomolybdate units connected to 30 [V=O]2+ units, which was detected by using UV/Vis, Raman, and IR spectroscopy. Hydrothermal reaction of the precursor containing {Mo72V30} produced crystalline orthorhombic or trigonal MoV oxides. These oxides contain the pentagonal Mo unit in the crystal structure. The results indicate that the pentagonal polyoxomolybdate unit produced in the reaction precursor assembles with other Mo and V ions to form crystalline orthorhombic and trigonal MoV oxides.

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