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Hydrothermal Synthesis, Crystal Structure and Fluorescence Properties of a Three-dimensional Triply-bridged Binuclear Zinc(Ⅱ) Complex [Zn2(Mba)3(Phen)2EtOH)]·ClO4
作者姓名:CHEN Zhi-Min  FENG Yong-Lan  YANG Ying-Qun  LI Wei  Zheng-Ji  CHEN Man-Sheng
基金项目:the Scientific and Technological Program of Hunan Provincial Department of Science and Technology,Hunan Provincial Department of Education,Hunan Provincial Key Discipline Construction and Hunan College Key Laboratory of Functional Organometallic Materials
摘    要:The novel complex Zn2(Mba)3(Phen)2EtOH)]·ClO4 (Hmba=methoxybenzoic acid, Phen=1,10-phenanthroline, EtOH=ethanol) was synthesized by hydrothermal reactions, and its structure was determined by X-ray diffraction. The crystal belongs to the triclinic system, space group P with a=1.15362(1), b=1.3655(3), c=1.61451(1) nm, α=72.842(2), β=83.259(3), γ=72.083(2)°, V=2.3112(6) nm3, Z=2, μ(MoKα)=11.71 cm-1, F(000)=1120, R=0.0552 and wR=0.1157 (I > 2·(I)). The two centric zinc(Ⅱ) ions in the complex locate in a distorted octahedral coordination geometry and a distorted trigonal bipyramid coordination geometry, respectively. Two bridging bidentate carboxyl groups and a μ2-O carboxyl group from three methoxybenzoic acids act as the bridge to link two Zn(Ⅱ) ions. The asymmetric units are connected by π-π packing interactions between aromatic rings to form a three-dimensional supramolecular network. The experimental results show a good fluorescence property for the complex.

关 键 词:三维网状结构  晶体结构  水热合成  荧光性质  锌离子  phen  MBA  高氯酸
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