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化学学报
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化学学报 ›› 2001, Vol. 59 ›› Issue (12): 2209-2212. 上一篇    下一篇

研究论文

含咪唑基配体的笼状双核铜超分子配合物的合成与晶体结构

刘俊;谭海燕;蔡跃鹏;刘红科;苏成勇;肖文;徐安武;康北笙   

  1. 中山大学化学与化学工程学院.广州(510275);中国科学院上海有机化学研究所. 上海(200032);中国科学院金属有机国家重点实验室.南京(210008)
  • 发布日期:2001-12-15

Synthesis na dstructure of a cage-like dinuclear Cu(Ⅱ) complex containing imidazolyl ligand

Liu Jun;Tan Haiyan;Cai Yuepeng;Liu Hongke;Su Chengyong;Xiao Wen;Xu Anwu;Kang Beisheng   

  1. Zhongshan Univ, North-China Univ of Electr Power.Guangzhou(510275)
  • Published:2001-12-15

PDF

400

被引次数

15

利用Cu(ClO4)2.6H2O与柔性二齿配体m-bitmb[1,3-二(1-咪唑基-亚甲基)-2,4,6-三甲基苯]自组装合成了新化合物[Cu2(m-bitmb)4](ClO4)4.H2O，并用FAB-MS和X射线单晶衍射对其结构进行了表征。结果表明该化合物是一个笼状超分子，两个铜原子和四个柔性配体m-bitmb构成的阳离子笼内包合了一个高氯酸根，另外三个高氯酸根和一个水分子在笼外。阳离子笼通过苯环间的π-π弱作用连接成一维链状结构。此配合物属单斜晶系P21/n,a=1.3950(3)nm,b=2.0742(4)nm,c=1.3997(3)nm,β=96.19(3)°,V=4.026(14)nm^3,R1=0.0598,wR2=0.1491.

关键词: 咪唑P, 铜络合物, 配体, 双核络合物, 晶体结构, 超分子结构

The flexible bidentate ligand m-bitmb [1, 3-bis(1-imidazolylmethyl)-2, 4, 6-trimethylbenzene] assembles with Cu(ClO4)2.6H2O to give a complex [Cu2(m-bitmb)4](ClO4)4.H2O, which crystallizes in monoclinic space group P21/n with a=1.3950(3) nm, b=2.0742(4) nm, c=1.3997(3) nm, β=96.19(3)°, V=4.026(14) nm^3, Z=2, Dc=1.373 g/cm^3, F(000)=1728, R1=0.0598, wR2=0.1491, GOOF=0.906. In the title complex, each ligand m-bitmb adopts cis-mode and binds with the two Cu(Ⅱ) ions via its two arms and each Cu(Ⅱ) ion coordinates with four ligands in square planar geometry to form a cage-like supramolecular cation, within which resides a disordered ClO^-~4. The other three ClO^-~4 ions and a H2O molecule are present outside. Weak π-π interactions between the phenyl rings of every two nearest cationic cages lead to the formation of 1D chain along the c axis.

Key words: IMIDAZOLE P, COPPER COMPLEX, LIGANDS, DINUCLEAR COMPLEX, CRYSTAL STRUCTURE, SUPERMOLECULAR STRUCTURE

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