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Journal of Coordination Chemistry Volume 65, 2012 - Issue 1
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Original Articles

A 3-D supramolecular compound based on Keggin-type polyoxometalates and potassium-sulfanilamide

Jiang Wu Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. China
,
Chunxiao Wang Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. ChinaCorrespondence[email protected]
,
Kai Yu Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. China
,
Zhanhua Su Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. China
,
Yang Yu Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. China
,
Yanglei Xu Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. China
&
Baibin Zhou Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province, Harbin Normal University, Harbin 150080, P. R. ChinaCorrespondence[email protected]
 show all
Pages 69-77 | Received 26 Sep 2011, Accepted 04 Nov 2011, Published online: 06 Dec 2011
 
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Abstract

A Keggin-type polyoxometalate and potassium-sulfanilamide complex, [{K(C6H10N2O2S)2(H2O)}2(SiW12O40)2] · 2H3O+ · 10H2O (1), has been synthesized and characterized by elemental analyses, IR, TG, and single-crystal X-ray diffraction. Compound 1 exhibits infinite 1-D dimer chains which are constructed from Keggin units [α-SiW12O40]4− bridged by potassium-sulfanilamide fragments. These 1-D chains are linked via π–π interactions between benzene rings of the sulfanilamides to form 2-D layers, which are further packed into 3-D supramolecular assemblies through hydrogen bonds. The electrochemical and electrocatalytic behaviors of 1 have been studied in detail.

Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grants 20671026 and 20971032), the Study Technological Innovation Project Special Foundation of Harbin (2009RFXXG202), and Technological Innovation Team Building Program of College of Heilongjiang Province (2009td04) and Innovation Team Research Program of Harbin Normal University (KJTD200902).

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