Citation: LI Wei, LI Chang-Hong, LI Heng-Feng, TAN Xiong-Wen. Synthesis, Crystal Structure, Spectroscopic Characterization, Thermal Stability and Magnetic Properties of a Dinuclear Copper(II) Complex[J]. Chinese Journal of Structural Chemistry, ;2015, 34(5): 794-798. doi: 10.14102/j.cnki.0254-5861.2011-0780 shu

Synthesis, Crystal Structure, Spectroscopic Characterization, Thermal Stability and Magnetic Properties of a Dinuclear Copper(II) Complex

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a School of Materials Science and Engineering, Central South University, Changsha 410083, China;
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b Department of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, China;
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c Department of Chemical Engineering, Hunan Institute of Technology, Hengyang 421002, China

Corresponding author: LI Heng-Feng,
Received Date: 15 January 2015
Available Online: 28 April 2015
Fund Project: Supported by the Natural Science Foundation of Hunan Province (No.11JJ9006) (No.11JJ9006)the Construct Program of the Key Discipline in Hunan Province (2012FJ2002)

A new copper(II) complex [Cu₂(MNA)₂(2,2'-bipy)₂]·2.5H₂O with methy-5-norbornene-2,3- dicarboxylic acid (MNA) and 2,2'-bipyridine as ligands has been synthesized in the mixed solvents of DMF and water. It crystallizes in monoclinic, space group P1, with a=10.4191(11), b=12.8883(13), c=16.1114(16) Å, α=70.8090(10), β=80.568(2), γ=77.440(2)°, V=1984.3(4) Å³, D_c=1.551 g/cm³, Z=2, F(000)=962, the final GOOF(000)=1.051, R=0.0431 and wR=0.0980. The crystal structure shows that the whole molecule consists of two independent dinuclear units, in which two copper ions are bridged by two μ₂-η¹:η⁰ 3-carboxylate groups of MNA^2-. The coordination environment of Cu(II) ion is CuO₃N₂, giving a distorted square pyramidal geometry. The spectroscopic characterization, thermal stability and magnetic properties of the complex were investigated.
- copper(II) complex,
- spectroscopic characterization,
- thermal stability,
- magnetic properties
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