Structures of [M(cbim)_4(NO_3)_2] [M = Cd(II), Co(II) and Ni(II); cbim = 4'-Cyanobenzyl-1-imidazole] in the Solid State and in Solution

Wei-Yin Sun; Bao-Li Fei; Taka-aki Okamura; Yan-An Zhang; Tao Ye; Wen-Xia Tang; Norikazu Ueyama

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Structures of [M(cbim)_4(NO_3)_2] [M = Cd(II), Co(II) and Ni(II); cbim = 4'-Cyanobenzyl-1-imidazole] in the Solid State and in Solution

机译：[M（cbim）_4（NO_3）_2]的结构[M = Cd（II），Co（II）和Ni（II）; cbim = 4'-氰基苄基-1-咪唑]在固态和溶液中

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Mononuclear complexes, [M(cbim)_4(NO_3)_2] [M = Cd(II)(1), Co(II)(2) and Ni(II)(3); cbim = 4'-cyanobenzyl-1-imidazole], were synthesized and their structures were determined by X-ray crystallography. Each metal atom is coordinated by four N atoms of imidazole from four cbim ligands and two O atoms of two nitrate anions with distorted octahedral coordination geometry. All three complexes crystallize in triclinic with space group P1. There are C-H…O, C-H…N hydrogen bonds and π-π interactions in the crystal packing of complexes 1, 2, and 3. The compounds were also characterized by ~1H and ~(113)Cd NMR spectroscopy. Highly isotropic shifted signals were observed in the ~1H NMR spectra of complexes 2 and 3 due to the paramagnetic property of the high-spin Co(II) and Ni(II) cores.

机译：单核络合物，[M（cbim）_4（NO_3）_2] [M = Cd（II）（1），Co（II）（2）和Ni（II）（3）;合成了cbim ＝ 4'-氰基苄基-1-咪唑]，并通过X射线晶体学确定了它们的结构。每个金属原子均由来自四个cbim配体的四个N咪唑和两个具有扭曲的八面体配位几何结构的硝酸根阴离子的两个O原子配位。所有三个复合物在三斜晶系中与空间群P1一起结晶。配合物1、2和3的晶体堆积中存在C-H…O，C-H…N氢键和π-π相互作用。还通过〜1H和〜（113）Cd NMR光谱对化合物进行了表征。由于高自旋Co（II）和Ni（II）核的顺磁性，在配合物2和3的〜1H NMR光谱中观察到了高度各向同性的位移信号。

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来源
《Bulletin of the Chemical Society of Japan》 |2000年第12期|共6页
作者
Wei-Yin Sun; Bao-Li Fei; Taka-aki Okamura; Yan-An Zhang; Tao Ye; Wen-Xia Tang; Norikazu Ueyama;
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中图分类化学;化学工业;
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2. Structures of [M(cbim)4(NO_3)_2] [M = Cd(II), Co(II) and Ni(II); cbim = 4'- Cyanobenzyl-1-imidazole] in the Solid State and in Solution [J] . Wei-Yin Sun, Bao-Li Fei, Taka-aki Okamura, Bulletin of the Chemical Society of Japan . 2000,第12期

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Structures of [M(cbim)_4(NO_3)_2] [M = Cd(II), Co(II) and Ni(II); cbim = 4'-Cyanobenzyl-1-imidazole] in the Solid State and in Solution

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