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合成了3种新的超分子配合物[Cd(H2biim)(2,2’-bipy)(NO3)2](1),[Cu(H2biim)(2,2’-bipy)(H2O)](NO3)2(2)和[Zn(H2biim)(2,2’-bipy)(H2O)](NO3)2(3)(H2biim=双咪唑;2,2’-bipy=2,2’-联吡啶),并通过X射线单晶衍射测定了其结构.配合物1～3均为单斜晶系,属于P2(1)/c空间群,在1中,Cd(II)为六配位,它与双咪唑的2个氮原子,联吡啶的2个氮原子和2个硝酸根的2个氧原子配位.在2和3中,Cu(II)和Zn(II)均为五配位的,它们与双咪唑的2个氮原子、2,2’-联吡啶的两个氮原子和一个水分子配位.1～3的对称单元均通过双咪唑、硝酸根和水之间形成的氢键R21(7),R21(4)和R44(18)构筑了1D链状超分子.
Three novel supramolecular complexes [Cd (H2biim) (2,2’-bipy) (NO3) 2] (1), [Cu (H2biim) (2,2’-bipy) (H2biim = 2,2’-bipy) (H2O)] (NO3) 2 (3) (H2biim = bisimidazole; 2,2’-bipy = 2,2’- Pyridine) and its structure was determined by single crystal X-ray diffraction.The complexes 1 ~ 3 are monoclinic and belong to the space group P2 (1) / c, in which Cd (II) It coordinates with two nitrogen atoms of bisimidazole, two nitrogen atoms of bipyridine and two oxygen atoms of two nitrates.In both of 2 and 3, Cu (II) and Zn (II) are five-coordinated , Which coordinate with the two nitrogen atoms of bisimidazole and the two nitrogen atoms of 2,2’-dipyridyl and one water molecule.The symmetrical units of 1-3 are formed by the reaction between bisimidazole, nitrate and water Hydrogen bonds R21 (7), R21 (4) and R44 (18) constitute 1D chain supramolecules.