Chen Feng, Zheng Fa-Kun, Liu Guang-Ning, Wu Mei-Feng, Guo Guo-Cong
Acta Crystallogr Sect E Struct Rep Online. 2010 Jun 9;66(Pt 7):m758. doi: 10.1107/S1600536810019318.
The asymmetric unit of the title Cd(II) compound, Cd(N(3))(2)(C(12)H(8)N(2)), contains a Cd(II) atom, located on a twofold axis passing through the middle of the phenanthroline mol-ecule, one azide ion and half of a 1,10-phenanthroline mol-ecule. The Cd(II) atom exhibits a distorted octa-hedral coordin-ation including one chelating 1,10-phenanthroline ligand and four azide ligands. The crystal structure features chains along the c direction in which azide groups doubly bridge two adjacent Cd(II) atoms in an end-on (EO) mode. Inter-chain π-π stacking inter-actions, with centroid-centroid separations of 3.408 (2) Å between the central aromatic rings of 1,10-phenanthroline mol-ecules, lead to a supra-molecular sheet parallel to the bc plane.
标题镉（II）化合物[Cd(N₃)₂(C₁₂H₈N₂)]ₙ的不对称单元包含一个位于穿过菲咯啉分子中心的二重轴上的镉（II）原子、一个叠氮离子和半个1,10-菲咯啉分子。镉（II）原子呈现出扭曲的八面体配位，包括一个螯合的1,10-菲咯啉配体和四个叠氮配体。晶体结构的特征是沿c方向的链，其中叠氮基团以端对端（EO）模式双重桥连两个相邻的镉（II）原子。链间π-π堆积相互作用，1,10-菲咯啉分子中心芳香环之间的质心-质心间距为3.408 (2) Å，导致形成平行于bc平面的超分子片层。
