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Crystals 2011, 1(3), 120-127; doi:10.3390/cryst1030120
Article

An Unsymmetrical Trinickel Metal Complex with 4-Sulfobenzoate Axial Ligand: [Ni3(dpa)4(4-sb)(H2O)]×3H2O

 and
*
Department of Chemistry, Zhejiang University, Hangzhou 310027, China
* Author to whom correspondence should be addressed.
Received: 15 April 2011 / Revised: 20 July 2011 / Accepted: 29 July 2011 / Published: 5 August 2011
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Abstract

An unsymmetrical trinickel metal complex, [Ni3(dpa)4(4-sb)(H2O)]×3H2O (1), where dpa is a 2,2’-dipyridylamine anion and 4-sb is 4-sulfobenzoate dianion, was synthesized and characterized by X-ray crystallography, IR, elemental analysis, fluorescence, and cyclic voltammetry. The molecular structure of 1 is a cluster with a linear trimer. The extended structure is a 3D architecture assembled by hydrogen bonds. The 4-sulfobenzoate axial replacement leads to the change of Ni-Ni distances, the shift of the fluorescence emission, and the reversible one-electron reduction process without oxidation process.
Keywords: trinickel complex; unsymmetrical complex; cyclic voltammogram; fluorescence property trinickel complex; unsymmetrical complex; cyclic voltammogram; fluorescence property
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zheng, X.-F.; Zhu, L.-G. An Unsymmetrical Trinickel Metal Complex with 4-Sulfobenzoate Axial Ligand: [Ni3(dpa)4(4-sb)(H2O)]×3H2O. Crystals 2011, 1, 120-127.

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