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Journal of Coordination Chemistry Volume 61, 2008 - Issue 8
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Original Articles

Hydrothermal syntheses, crystal structures and thermal stability of two divalent metal phosphonates with a layered and a 3D structure

Hui Chen Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR China
,
Zhengang Sun Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR ChinaCorrespondence[email protected]
,
Dapeng Dong Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR China
,
Lei Meng Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR China
,
Xuefang Zheng Liaoning Key Laboratory of Bio-Organic Chemistry, Dalian University, Dalian 116622, PR China
,
Yanyu Zhu Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR China
,
Yan Zhao Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR China
&
Jing Zhang Institute of Chemistry for Functionalized Materials, Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, PR China
 show all
Pages 1316-1324 | Received 07 Feb 2007, Accepted 09 May 2007, Published online: 24 Apr 2008
 
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Abstract

Two new divalent metal phosphonates, [Cu2{CH3C(OH)(PO3)2}(H2O)2] · 0.5H2O (1) and [NH3CH2CH2NH3][Zn3{CH3C(OH)(PO3)2}2(H2O)] · H2O (2), have been hydrothermally synthesized and characterized by single-crystal X-ray diffraction as well as with infrared spectroscopy, elemental analysis and thermogravimetric analysis. The structure of 1 comprises [Cu3(hedp)2]2− layers connected by [CuO4] units to form a 3D open-framework structure with a one-dimensional channel system along the b axis. In 2, the connections of alternately arranged [ZnO4] tetrahedra, [ZnO6] octahedra and [CPO3] tetrahedra via vertex-sharing result in a 2D layered structure. The protonated ethylenediamine cations and water molecules are located between adjacent layers.

Acknowledgements

This research was supported by grants from the Natural Science Foundation of Liaoning Province of China (20032104, 20062140) and the Education Department of Liaoning Province of China (05L214).

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