首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Assembly of 1,2,3,4-benzenetetracarboxylic acid and zinc(II) metal centers to a chiral 3D metal-organic framework: Syntheses, structure and properties
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Assembly of 1,2,3,4-benzenetetracarboxylic acid and zinc(II) metal centers to a chiral 3D metal-organic framework: Syntheses, structure and properties

机译:将1,2,3,4-苯四甲酸和锌(II)金属中心组装成手性3D金属-有机骨架:合成,结构和性能

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摘要

A new three-dimensional metal-organic framework {[Zn(mpda) 0.5(bix)](H2O)1.5 }n (1) (H 4mpda = 1,2,3,4-benzenetetracarboxylic acid, m-bix = 1,3-bis(imidazol-1-ylmethyl)-benzene) has been synthesized and characterized by single-crystal X-ray diffraction and IR spectra. In 1, homochiral helical chains are formed in the Zn-mpda layer through spontaneous resolution by mpda 4-. Such layers are further connected through the second m-bix ligand to form a 3D chiral metal-organic framework. The individual (4,4)-connected net in 1 can be specified by the Schl?fli symbol (66) 2.(64.82). Bulk material of 1 has good second-harmonic generation (SHG) activity, approximately o.4 times that of urea. In addition, a thermogravimetric analysis was carried out, and the photoluminescent behavior of the complex was also investigated.
机译:新的三维金属有机骨架{[Zn(mpda)0.5(bix)](H2O)1.5} n(1)(H 4mpda = 1,2,3,4-苯四甲酸,m-bix = 1,已经合成了3-双(咪唑-1-基甲基)-苯并通过单晶X射线衍射和IR光谱表征。在1中,通过mpda 4-的自发拆分,在Zn-mpda层中形成了手性螺旋链。这样的层通过第二m-bix配体进一步连接以形成3D手性金属-有机骨架。单个(4,4)连接的网中1可以由Schl?fli符号(66)2(64.82)指定。 1的散装物料具有良好的二次谐波生成(SHG)活性,约为尿素的0.4倍。另外,进行了热重分析,并且还研究了配合物的光致发光行为。

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