Hydrothermal Synthesis, Structure Characterization and Magnetism Property of a New Bi-capped Keggin Polyoxometalate

doi:10.11944/j.issn.1000-0518.2015.09.150027

Chinese Journal of Applied Chemistry ›› 2015, Vol. 32 ›› Issue (9): 1055-1060.DOI: 10.11944/j.issn.1000-0518.2015.09.150027

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Hydrothermal Synthesis, Structure Characterization and Magnetism Property of a New Bi-capped Keggin Polyoxometalate

ZHANG Chunfeng^a^c,SUN Yinghua^b^c^*()

^aBaicheng Medical College,Baicheng,Jilin 137000,China
^bDepartment of Chemistry,Baicheng Normal College,Baicheng,Jilin 137000,China
^cState Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University,Changchun 130012,China

Received:2015-01-23 Accepted:2015-05-29 Published:2015-08-31 Online:2015-08-31
Contact: SUN Yinghua
Supported by:
Supported by the Education Department of Jilin Province during the 12th Five Year Plan of Science and Technology Research Projects(No.2013-389)

Abstract

Abstract:

A new bicapped Keggin molybdenum-vanadium polyoxometalate [Cu(2,2'-bpy)₃]{[Cu(2,2'-bpy)₂]₂HP^ⅤMo8VIV6IVO₄₂}}·2H₂O 1(bpy=bipyridien) was prepared under hydrothermal conditions, and characterized by elemental analysis, IR, X-ray photoelectron spectroscopy, powder and single crystal X-ray diffraction analysis. The compound 1 crystallized in a monoclinic system, with a C2/c space group:a=2.8734(3) nm, b=1.47333(12) nm, c=2.31023(16) nm, β=112.509(5)°, V=9.0351(12) nm³, Z=1, R₁=0.0489, wR₂=0.1286. The polyoxoanion of compound 1 is a bi-capped P/Mo/V Keggin cluster supporting two copper complexes fragment through the oxygen of capping V atoms of polyoxoanion. Compound 1 exhibits an extended three-dimensional supramolecular network via hydrogen-bonding and π-π stacking interactions between polyoxoanion, water molecules and 2,2'-bpy molecules.

Key words: hydrothermal synthesis, Keggin structure, supramolecular, magnetic properties

ZHANG Chunfeng,SUN Yinghua. Hydrothermal Synthesis, Structure Characterization and Magnetism Property of a New Bi-capped Keggin Polyoxometalate[J]. Chinese Journal of Applied Chemistry, 2015, 32(9): 1055-1060.

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Hydrothermal Synthesis, Structure Characterization and Magnetism Property of a New Bi-capped Keggin Polyoxometalate

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