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Citation: 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. doi: 10.11944/j.issn.1000-0518.2015.09.150027 shu

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

ZHANG Chunfeng ^a,c ,
SUN Yinghua ^b,c,,

1.
a Baicheng Medical College, Baicheng, Jilin 137000, China;
2.
b Department of Chemistry, Baicheng Normal College, Baicheng, Jilin 137000, China;
3.
c State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China

Corresponding author: SUN Yinghua,
Received Date: 23 January 2015
Available Online: 30 April 2015
Fund Project: 吉林省教育厅十二五科学技术研究项目(2013年第(389)号) (2013年第(389)号)

A new bicapped Keggin molybdenum-vanadium polyoxometalate[Cu (2,2'-bpy)₃]{[Cu (2,2'-bpy)₂]₂HP^ⅤMo₈^ⅥV₆^ⅣO₄₂}}·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.
- hydrothermal synthesis,
- Keggin structure,
- supramolecular,
- magnetic properties
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