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Journal of Coordination Chemistry Volume 64, 2011 - Issue 15
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Original Articles

A polyoxoniobate constructed from Lindqvist-type hexaniobates and copper coordinated cations

Guan Wang Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P.R. China
,
Pengtao Ma Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P.R. China
,
fang Li Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P.R. China
&
Jingping Wang Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, P.R. ChinaCorrespondence[email protected]
Pages 2718-2726 | Received 19 Jan 2011, Accepted 17 Jun 2011, Published online: 09 Aug 2011
 
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Abstract

A new organic–inorganic hybrid polyoxoniobate [Cu(1,3-dap)2(H2O)][(H6Nb6O19)2Cu(1,3-dap)2] · 4(1,3-dap)·20H2O (1) (1,3-dap = 1,3-diaminopropane) has been synthesized by the diffusion method and structurally characterized by elemental analyses, infrared spectrum, ultraviolet spectroscopy, and single crystal X-ray diffraction. Crystal structure analysis reveals that 1 consists of a dimeric dumbbell anion [(H6Nb6O19)2Cu(1,3-dap)2]2−, a copper coordinated cation, four 1,3-dap ligands and 20 crystal water molecules. Neighboring units are combined via hydrogen bonds forming a 3-D supramolecular framework.

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, Natural Science Foundation of Henan Province.

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