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Tetranuclear Copper(Ⅱ) and Zinc(Ⅱ) Complexes Constructed from an Asymmetrical Salamo-Type N2O3 Donor Ligand: Syntheses, Structures and Fluorescence Properties
Author NameAffiliationE-mail
DONG Xiu-Yan School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China  
GAO Lei School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China  
WANG Fei School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China  
ZHANG Yang School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China  
DONG Wen-Kui School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China dongwk@126.com 
Abstract: Two newly designed tetranuclear complexes, {Cu(L)(OAc)Cu(H2O)}2 (1) and {Zn(L)(OAc)Zn(H2O)}2 (2) derived from an Salamo-type N2O3 donor ligand (H3L) were synthesized and characterized by elemental analyses, IR and UV-Vis spectra, fluorescence spectra and X-ray crystallography. Complex 1 is made up of four Cu(Ⅱ) ions, two deprotonated L3- moieties, two coordinated water molecules and two μ2-acetate ions. All of the Cu(Ⅱ) ions in 1 are penta-coordinated with slightly distorted tetragonal pyramidal and trigonal bipyramidal symmetries. Complex 1 forms an infinite 1D chain supramolecular structure via C-H…π interactions. Complex 2 reveals an asymmetrical tetranuclear structure, and consists of four Zn(Ⅱ) ions, two completely deprotonated L3- units, two μ2-acetate ions and two coordinated water molecules, which possesses an infinite 3D supramolecular structure. The fluorescent properties of H3L and complexes 1 and 2 have also been discussed.
Keywords: Salamo-type N2O3 donor ligand  complex  synthesis  crystal structure  fluorescence property
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DONG Xiu-Yan,GAO Lei,WANG Fei,ZHANG Yang,DONG Wen-Kui.Tetranuclear Copper(Ⅱ) and Zinc(Ⅱ) Complexes Constructed from an Asymmetrical Salamo-Type N2O3 Donor Ligand: Syntheses, Structures and Fluorescence Properties[J].Chinese Journal of Inorganic Chemistry,2018,34(4):739-749.
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Chinese Journal of Inorganic Chemistry