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Issue 6, 2012
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Anion-dependent assembly and solvent-mediated structural transformations of three Cd(II) coordination polymers based on 1H-imidazole-4-carboxylic acid

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Abstract

Three new Cd(II) coordination polymers with 1H-imidazole-4-carboxylic acid (Himc), [Cd(Himc)2(H2O)]n (1), [Cd(Himc)2]n (2) and [Cd2(Himc)2(SO4)(H2O)2]n (3) were perpared by solvothermal reactions and structurally characterized, which all comprised metal–negative ligand systems. Compound 1 exhibit a 1D zigzag chain; compound 2 features a 3D diamondoid work; while compound 3 possesses a 2D layer structure consisting of rhomboid grids. When 1 or 2 was left in a water/ethanolic solution of Na2SO4, their 1D or 3D framework was transformed into a 2D framework of 3. All compounds also displayed structure-related photoluminescent properties in the solid state.

Graphical abstract: Anion-dependent assembly and solvent-mediated structural transformations of three Cd(ii) coordination polymers based on 1H-imidazole-4-carboxylic acid

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Publication details

The article was received on 01 Sep 2011, accepted on 19 Dec 2011 and first published on 30 Jan 2012


Article type: Paper
DOI: 10.1039/C2CE06129E
Citation: CrystEngComm, 2012,14, 2308-2315
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    Anion-dependent assembly and solvent-mediated structural transformations of three Cd(II) coordination polymers based on 1H-imidazole-4-carboxylic acid

    S. Cai, M. Pan, S. Zheng, J. Tan, J. Fan and W. Zhang, CrystEngComm, 2012, 14, 2308
    DOI: 10.1039/C2CE06129E

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