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Journal of Coordination Chemistry Volume 65, 2012 - Issue 24
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Original Articles

Two supramolecular structures constructed from Keggin-type polyoxometalates and 4,4′-bipyridine

Ya-Bing Liu Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China; Department of Materials Science and Engineering, Jilin Architectural and Civil Engineering Institute, Changchun 130118, China
,
Yan Wang Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China
,
Li-Na Xiao Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China
,
Yang-Yang Hu Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China
,
La-Mei Wang Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China
,
Xiao-Bing Cui Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China; Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, ChinaCorrespondence[email protected]
&
Ji-Qing Xu Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China; Department of Chemistry, College of Chemistry and State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, ChinaCorrespondence[email protected]
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Pages 4342-4352 | Received 29 Jun 2012, Accepted 13 Sep 2012, Published online: 31 Oct 2012
 
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Abstract

Two supramolecular compounds based on Keggin-type polyoxometalates (POMs), (4,4′-H2bpy)(4,4′-Hbpy)[PMo12O40] (1) and (4,4′-H2bpy)(4,4′-Hbpy)2[SiW12O40] · 4H2O (2), have been synthesized hydrothermally and characterized by elemental analyses, IR, UV-Vis, XPS spectra, thermogravimetric analyses, and single-crystal X-ray diffraction analyses. The two compounds consist of 4,4′-bipyridine (4,4′-bpy) ligands and different Keggin-type POMs which are [PMo12O40]3− for 1 and [SiW12O40]4− for 2. There are hydrogen-bonding interactions between the POMs, 4,4′-bipyridine, and/or water in 1 and 2. In addition, 2 contains an uncommon (H2O)2 water cluster.

Acknowledgments

This work was supported by the National Natural Foundation of China (No. 21003056) and the National Natural Foundation of Jilin Province (No. 201215173).

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