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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Syntheses and Characterization of Three New Compounds Based on Terephthalate and 2-(2-Pyridin-4-yl-yinyl)benzimidazole Ligands
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Syntheses and Characterization of Three New Compounds Based on Terephthalate and 2-(2-Pyridin-4-yl-yinyl)benzimidazole Ligands

机译：对苯二酸酯和2-（2-吡啶-4-基-吡啶基）苯并咪唑配体的三种新化合物的合成与表征

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摘要

Three new compounds based on H2BDC and PyBImE [H2BDC = 1,4-benzenedicarboxylatic acid, PyBImE = 2-(2-pyridin-4-yl-vinyl)benzimidazolel, namely, [Co(PyBImE)(BDC)(H2O)(2)] (1), [Co(PyBlmE)(2)(HBDC)iBDC)(0.5)] (2), and [(HPyBlmE)+(BDC)(2)-(0.5). H2BDC)(0.5)])00.51 (.3), were synthesized by hydrothermal methods and characterized by single-crystal X-ray diffraction. Compound 1 is a onedimensional chain bridged by terephthalate in a bis(monodentate) fashion. In the complex the nitrogen atom from N-BIm and the coordination water molecule complete the coordination sphere. In complex 2, the dinuclear cobalt units are, bridged by terephthalate in a bis(bidentate) fashion into a one-dimensional chain, but different from complex 1, the nitrogen atom from Npy and the oxygen atom from hydrogenterephthalate complete the coordination sphere. Complex 3 is a cocrystal with PyBlmE and H2BDC in a 1:1 ratio and the transfer of hydrogen atoms leads the complex into a salt. Interesting supramolecular structures are shown due to the hydrogen bonding as well as pi center dot center dot center dot pi interactions in the three complexes. Thermal and magnetic pmperties of 1 and 2 were also studied.
机译：三种基于H2BDC和PyBImE的新化合物[H2BDC = 1,4-苯二甲酸，PyBImE = 2-（2-吡啶-4-基-乙烯基）苯并咪唑，即[Co（PyBImE）（BDC）（H2O）（2 ）]（1），[Co（PyBlmE）（2）（HBDC）iBDC）（0.5）]（2）和[（HPyBlmE）+（BDC）（2）-（0.5）。通过水热法合成了H 2 BDC）（0.5）]）。00.51（.3），并通过单晶X射线衍射对其进行了表征。化合物1是由对苯二甲酸酯以双（单齿）方式桥接的一维链。在络合物中，来自N-BIm的氮原子和配位水分子完成了配位球。在络合物2中，双核钴单元被对苯二甲酸酯以双（双齿）方式桥接成一维链，但与络合物1不同，来自Npy的氮原子和来自对苯二甲酸氢盐的氧原子构成了配位球。配合物3是具有1：1比例的PyBlmE和H2BDC的共晶体，氢原子的转移导致配合物变成盐。由于三个复合物中的氢键以及pi中心点中心点中心点pi相互作用，显示了有趣的超分子结构。还研究了1和2的热和磁性能。

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