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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Four new compounds based on terephthalate and 2-(4-Pyridyl)benzimidazole ligands
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Four new compounds based on terephthalate and 2-(4-Pyridyl)benzimidazole ligands

机译:四种基于对苯二甲酸酯和2-(4-吡啶基)苯并咪唑配体的新化合物

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摘要

Four new compounds based on H_2BDC and PyBIm [H2BDC = 1,4-benzenedicarboxylatic acid, PyBIm = 2-(4-pyridyl)benzimidazole], (PyBIm)(H_2BDC)_(0.5) (1), Co(PyBIm)_2(HBDC)(BDC) _(0.5) (2), Ni(PyBIm)_2(HBDC)(BDC)_(0.5) (3), and Zn(BDC)(PyBIm) ·H_2O (4), were synthesized by hydrothermal methods and characterized by X-ray diffraction. Compound 1 contains two types of hydrogen bonding N-H?N and O-HA?N, which connect the molecules into a two-dimensional (2D) layer. Complex 2 crystallizes isostructural to 3 in triclinic space group P|{1}, in 1D chains. The hydrogen-bonding interactions between uncoordinated N, N-H and COOH groups in 2 connect the 1D chains into a 2D layer. Complex 4 displays a 1D structure, which is finally extended to a 3D supramolecular framework by hydrogen bonding and π-π packing interactions. The magnetic properties of compounds 2 and 3 were studied as well.
机译:四种基于H_2BDC和PyBIm的新化合物[H2BDC = 1,4-苯二甲酸,PyBIm = 2-(4-吡啶基)苯并咪唑],(PyBIm)(H_2BDC)_(0.5)(1),Co(PyBIm)_2(水热法合成HBDC)(BDC)_(0.5)(2),Ni(PyBIm)_2(HBDC)(BDC)_(0.5)(3)和Zn(BDC)(PyBIm)·H_2O(4)方法,并通过X射线衍射进行表征。化合物1包含两种类型的氢键N-H2N和O-HA2N,它们将分子连接成二维(2D)层。一维链中的三斜体空间群P | {1}中,复合物2结晶为3。 2中未配位的N,N-H和COOH基团之间的氢键相互作用将1D链连接到2D层中。配合物4显示1D结构,最后通过氢键和π-π堆积相互作用扩展到3D超分子框架。还研究了化合物2和3的磁性。

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