The Structure and Fluorescence Property of a 3D Supramolecular Network [Cd2(2-mBIM)2Cl2(C4H4O4)(H2O)2(H2O)]n |
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Authors: | Min Pi Zhe Zhang and Chuan-Ming Jin |
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Institution: | (1) Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Environmental Engineering, Hubei Normal University, Huangshi, 435002, Hubei, People’s Republic of China; |
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Abstract: | Abstract A cadmium(II) coordination polymer Cd2(2-mBIM)2Cl2(C4H4O4)(H2O)2(H2O)]
n
(1) (wherein 2-mBIM = bis(2-methylimidazo-1-yl) methane, C4H4O4 = succinate anion) has been synthesized and characterized by X-ray diffraction. Complex 1 crystallizes in the monoclinic space group C2/c with a = 23.5265(15) ?, b = 7.3558(5) ?, c = 17.4771(11) ?, β = 90.3560(10)°, V = 3024.5(3) ?3, Z = 4. Each Cd(II) atom is octahedrally coordinated and connected with two adjacent Cd(II) atoms by two individual 2-mBIM ligands
in a trans-configuration to form one-dimensional (1D) helical structure. Such 1D helical chain structures were connected to each other
via the succinate anion ligands and result in the formation of a two-dimensional (2D) framework. Meanwhile, an overall three-dimensional
(3D) supramolecular network was formed via the weak hydrogen bond interactions between metal-coordination and free water molecules. |
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