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Structural and Luminescent Properties of Heterobimetallic Zinc(II)-Europium(III) Dimer Constructed from N2O2-Type Bisoxime and Terephthalic Acid

By Wen-Ting Guo, Xiao-Yan Li, Quan-Peng Kang, Jian-Chun Ma and Wen-Kui Dong

Abstract

A new heterohexanuclear ZnII–EuIII dimer [{(ZnL)2Eu}2(bdc)2]·2Cl constructed from a N2O2-type chelating ligand H2L (6,6′-Dimethoxy-2,2′-[ethylenedioxybis(nitrilomethylidyne)]diphenol), Zn(OAc)2·2H2O, EuCl3·6H2O and H2bdc (terephthalic acid) was synthesized, and characterized using elemental analyses, IR (Infrared), UV-Vis (Ultraviolet–visible) spectra and X-ray single crystal diffraction method. There are two crystallographically equivalent [(ZnL)2Eu] moieties in the ZnII–EuIII complex, the two [(ZnL)2Eu] moieties are linked by two bdc2– ligand leading to a heterohexanuclear dimer, in which the carboxylato groups bridge the ZnII and EuIII atoms. Furthermore, the luminescence properties of H2L and its ZnII–EuIII complex have been studied

Topics: N2O2-type bisoxime, terephthalic acid, heterobimetallic complex, crystal structure, luminescence property, Crystallography, QD901-999
Publisher: MDPI AG
Year: 2018
DOI identifier: 10.3390/cryst8040154
OAI identifier: oai:doaj.org/article:a371d664320f4d8da9932a9b13fb2dd5
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