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Two New {PW} Wheel-shaped Tungstophosphates Decorated by Co(II), Ni(II) Ions

Journal of Cluster Science, ISSN: 1040-7278, Vol: 21, Issue: 4, Page: 679-689
2010
  • 20
    Citations
  • 0
    Usage
  • 7
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    20
    • Citation Indexes
      20
  • Captures
    7

Article Description

Two new wheel-shaped tungstophosphates based on 3d-transition metals (Co(II), Ni(II)) ions decorated [PWO] anion (TM-{PW}), KNa{[Co(HO)Cl][Co(HO)][Co(HO)] [Co(HO)HPWO(HO)]}·2NaCl·41·5HO 1 and Na{[Ni(HO)][{Ni(HO)}HPWO (HO)]}·41. 5HO 2 have been synthesized by routine synthetic reaction of hexavacant Dawson polyoxonanion [PWO] with divalent 3d transition-metal ions in aqueous solution. The two compounds are characterized by elemental analysis, IR spectroscopy, TG analysis, electrochemical analysis, and single-crystal X-ray diffraction. Both compounds contain a 2D layer-like structure constructed from 1D chains of wheel-type [PWO] anions bridged via CoO or NiO units. Cyclic voltammograms and P NMR analysis suggest that the polyanion [PWO] of both compounds are stable in aqueous solution (pH = 4). © 2010 Springer Science+Business Media, LLC.

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