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

doi:10.3390/cryst1030120

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

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

Xiao-Feng Zheng and Long-Guan Zhu *

Department of Chemistry, Zhejiang University, Hangzhou 310027, China

* Author to whom correspondence should be addressed.

Received: 15 April 2011; in revised form: 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

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MDPI and ACS Style

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.

AMA Style

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(3):120-127.

Chicago/Turabian Style

Zheng, Xiao-Feng; Zhu, Long-Guan. 2011. "An Unsymmetrical Trinickel Metal Complex with 4-Sulfobenzoate Axial Ligand: [Ni₃(dpa)₄(4-sb)(H₂O)]×3H₂O." Crystals 1, no. 3: 120-127.

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