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Journal of Coordination Chemistry Volume 65, 2012 - Issue 10
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Original Articles

Synthesis and characterization of a coplanar-shaped hexa-CuII sandwiched arsenotungstate

Jiai Hua Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P.R. China; Basic Experimental Teaching Center, Henan University, Kaifeng 475004, P.R. China
,
Suzhi Li Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P.R. China; Basic Experimental Teaching Center, Henan University, Kaifeng 475004, P.R. China
,
Xiang Ma Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P.R. China; Basic Experimental Teaching Center, Henan University, Kaifeng 475004, P.R. China
,
Pengtao Ma Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P.R. China; Basic Experimental Teaching Center, Henan University, Kaifeng 475004, P.R. China
,
Jingping Wang Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P.R. China; Basic Experimental Teaching Center, Henan University, Kaifeng 475004, P.R. ChinaCorrespondence[email protected]
&
Jingyang Niu Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, P.R. China; Basic Experimental Teaching Center, Henan University, Kaifeng 475004, P.R. ChinaCorrespondence[email protected]
Pages 1740-1749 | Received 19 Dec 2011, Accepted 28 Feb 2012, Published online: 23 Apr 2012
 
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Abstract

An organic–inorganic coplanar-shaped hexa-CuII sandwiched hybrid, (H2en){[Cu(en)2]2[Cu2(en)2Cu4(H2O)2](B-α-AsW9O34)2} · 5H2O (en = ethylenediamine) (1), has been synthesized via hydrothermal method and further characterized by IR spectroscopy, thermogravimetric analysis, and X-ray single-crystal diffraction. Single-crystal X-ray diffraction analysis shows that 1 contains an organic–inorganic hybrid polyoxoanion {Cu2(en)2Cu4(H2O)2(B-α-AsW9O34)2}6−, which can be described as a coplanar-shaped hexa-CuII cluster sandwiched by two trivacant [B-α-AsW9O34]9− fragments. Complex 1 represents a rare organic–inorganic coplanar-shaped hexa-CuII cluster sandwiched arsenotungstate. Magnetic susceptibility measurements indicate that 1 demonstrates ferromagnetic coupling interactions within the CuII centers.

Acknowledgments

This work was financially supported by the Natural Science Foundation of China, Special Research Fund for the Doctoral Program of Higher Education, Innovation Scientists and Technicians Troop Construction Projects of Henan Province, and Natural Science Foundation of Henan Province.

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