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Issue 6, 2014
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A cobalt-containing pseudosandwich-type polyoxometalate based on a lacunary Lindqvist polyoxovanadate

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Abstract

A novel pseudosandwich-type polyoxovanadate, CoII2{(VO2)CoIII(CoIIIL)2[V5O16]2}·23H2O (1) (L = 1,3-propanediamine, 1,3-pda), has been isolated using a conventional aqueous solution method and characterized by elemental analysis, IR spectrum, thermal gravimetric analysis and magnetism. Single crystal X-ray diffraction analyses indicate that polyoxoanion 1 is composed of a {CoIII3(1,3-pda)2} cluster coordinated by two lacunary Lindqvist polyoxovanadates [V5O18]. Polyoxoanion 1 contains three CoIII centers in its central metal set, which was first observed in the polyoxometalate chemistry. Further, two CoIII ions in polyoxoanion 1 are functionalized by two 1,3-pda ligands resulting in a pseudosandwich-type polyoxovanadate-based organic–inorganic hybrid material, which represents the first pseudosandwich-type polyoxovanadate decorated by two 1,3-pda ligands.

Graphical abstract: A cobalt-containing pseudosandwich-type polyoxometalate based on a lacunary Lindqvist polyoxovanadate

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Article information


Submitted
29 Jun 2013
Accepted
28 Nov 2013
First published
02 Dec 2013

CrystEngComm, 2014,16, 1187-1191
Article type
Paper

A cobalt-containing pseudosandwich-type polyoxometalate based on a lacunary Lindqvist polyoxovanadate

Y. Liang, Z. Zhang, Z. Liu, Y. Zhang, J. Zhang and E. Wang, CrystEngComm, 2014, 16, 1187
DOI: 10.1039/C3CE41278D

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