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| Co(Ⅱ)/Zn(Ⅱ)/Cu(Ⅱ) Complexes Containing Hydrazone Ligand Bearing Pyrazine Unit: Syntheses, Crystal Structures and Fluorescence Properties |
| Author Name | Affiliation | E-mail | | HOU Xu-Feng | Key Laboratory of Chemo/Bio-sensing and Detection, School of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan 461000, China | | | ZHAO Xiao-Lei | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | zhaoxiaolei@hpu.edu.cn | | ZHANG Lu | School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China | | | WU Wei-Na | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | wuwn08@hpu.edu.cn | | WANG Yuan | College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, China | |
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| Abstract: Three complexes, namely,[Co(L)2] (1),[Zn(L)2] (2) and[Cu2(L)2Cl2] (3) based on HL (HL=2-acetylpyrazine benzoylhydrazone) were synthesized and characterized by X-ray diffraction analyses. The results show that complexes 1 and 2 are isostructural, in which the molar ratio between the metal and the ligand is 1:2. The metal ion in each complex is surrounded by two enolizated ligands L- with N2O donor set, thus giving a distorted octahedral geometry. However, in the bi-nuclear complex 3, each Cu(Ⅱ) ion is coordinated with one monoanionic tridentate hydrazone ligand and two μ2-chloride anions, as[CuN2OCl2], indicating the coordination geometry is a distorted tetragonal pyramid. In addition, the luminescent properties of the complexes are discussed in detail. |
| Keywords: acylhydrazone complex pyrazine crystal structure fluorescence |
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| HOU Xu-Feng,ZHAO Xiao-Lei,ZHANG Lu,WU Wei-Na,WANG Yuan.Co(Ⅱ)/Zn(Ⅱ)/Cu(Ⅱ) Complexes Containing Hydrazone Ligand Bearing Pyrazine Unit: Syntheses, Crystal Structures and Fluorescence Properties[J].Chinese Journal of Inorganic Chemistry,2018,34(1):201-205. |
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