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Citation: ZHENG Yongzhu, SUN Yinghua. Hydrothermal Synthesis,Structure and Magnetism of a New Tungstosilicates Polyoxometalate[J]. Chinese Journal of Applied Chemistry, ;2013, 30(7): 789-793. doi: 10.3724/SP.J.1095.2013.20377 shu

Hydrothermal Synthesis,Structure and Magnetism of a New Tungstosilicates Polyoxometalate

ZHENG Yongzhu ^a,c, ,
SUN Yinghua ^b,c

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

Received Date: 29 August 2012
Revised Date: 7 October 2012

A new tungstosilicates polyoxometalate(C₂H₁₀N₂)₃(SiW₂^ⅤW₁₀^ⅥO₄₀)·3H₂O was prepared under hydrothermal conditions,and characterized by elemental analysis,IR and single crystal X-ray diffraction analysis. The title compound crystallized in a triclinic system,P-1 space group,a=1.3193(3) nm,b=1.3198(3) nm,c=1.3193(3) nm,α=76.05(3)°,β=76.13(3)°,γ=76.05(3)°,V=2.1231(7) nm³,Z=1,R₁=0.0518,wR₂=0.1355. The title compound is comprised of silica tungsten Keggin polyoxoanion,three ethylenediamine and water molecules. The hydrogen bonds among polyoxoanion,ethylenediamine and water molecules are responsible for the formation of its extended three dimensional structure. Magnetic measurement indicates that there exists antiferromagnetic interaction in the molecule.
- tungstosilicates,
- supramolecular,
- hydrothermal synthesis,
- magnetic properties
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