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Journal of Coordination Chemistry
Year: 2011  |  Volume: 64  |  Issue: 24  |  Page No.: 4373 - 4382

Self-assembly of three supramolecular architectures based on an unsymmetrical N-heterocyclic ligand

Wenjuan Chu, Xinhua Lou, Zhiyuan Wang, Chunying Xu, Yaoting Fan and Hongwei Hou    

Abstract: Three new compounds, {[Cd(Htmb)(Cl)(CH3CO2)] . CH3OH}n (1), [Cd(Htmb)2(Cl)2(H2O)2] . 4H2O (2), and [Cd(Htmb)2(I)2] (3) (Htmb = 2-(1H-triazol-1-ylmethyl)-1H-benzoimidazole), have been synthesized and characterized by elemental analysis, IR, and X-ray diffraction. Compound 1 features 1-D infinite double chains with space group and further forms a 3-D supramolecular structure by hydrogen bonds and π−π interactions. Compound 2 displays a mononuclear structure with space group P2/c, wherein an interesting water chain is formed. Compound 3 shows a mononuclear structure with space group P21/n and extends into a 3-D supramolecular structure through hydrogen bonds and π−π interactions. In addition, the spectral properties are investigated, with strong luminescence observed for 1 and 2.

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