Citation: LI Chang-Hong, LI Wei, HU Han-Xiang, HU Bo-Nian. Synthesis, Crystal Structure, Spectroscopic Characterization and Thermal Stability Properties of a Trinuclear Zinc(II) Complex[J]. Chinese Journal of Structural Chemistry, ;2015, 34(9): 1405-1409. doi: 10.14102/j.cnki.0254-5861.2011-0847 shu

Synthesis, Crystal Structure, Spectroscopic Characterization and Thermal Stability Properties of a Trinuclear Zinc(II) Complex

LI Chang-Hong ^a,, ,
LI Wei ^b,, ,
HU Han-Xiang ^a ,
HU Bo-Nian ^a

1.
a College of Chemical Engineering, Hunan Institute of Technology, Hengyang 421002, China;
2.
b College of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421008, China

Corresponding author: LI Chang-Hong, LI Wei,
Received Date: 15 June 2015
Available Online: 21 August 2015
Fund Project:

A new trinuclear zinc complex Zn₃(2,2'-bipy)₂(3,5-DMBA)₆·(H₂O)_1.5 (1) with 3,5-dimethylbenzoic acid (3,5-DMBA) and 2,2'-bipyridine as ligands has been synthesized in the mixed solvents of methanol and water. It crystallizes in the monoclinic space group C2/c with a=31.1497(15), b=11.7576(6), c=20.9049(10) Å, β=118.4550(10)°, V=6731.4(6) Å³, D_c=1.412 g/cm³, Z=4, F(000)=2972, GOOF=1.069, the final R=0.0667 and wR=0.1917. The whole molecule consists of three zinc ions, six 3,5-DMBA molecules, two 2,2'-bipyridine molecules and one and half water molecules, in which three zinc ions are bridged by six μ₂>-η¹:η⁰-carboxylate groups of 3,5-DMBA^-. The Zn(1) atom is centrosymmetric, and adopts a distorted octahedral ZnO₆ geometry, while the Zn(2) gives a distorted square pyramidal ZnO₃N₂ vgeometry. The spectroscopic characterization and thermal stability properties of the complex were investigated.
- trinuclear zinc(II) complex,
- spectroscopic characterization,
- thermal stability properties
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