Abstract
Four metal-organic frameworks, [Sr(o-ClPhHIDC)(H2O)2]n (o-ClPhH3IDC = 2-(o-chlorophenyl)-1H-imidazole-4,5-dicarboxylic acid) (1), [Mg(m-ClPhHIDC)(H2O)2]n (2), [Sr(m-ClPhHIDC)(H2O)]n (3) and {[Co3(m-ClPhIDC)2(H2O)6]·2H2O}n (m-ClPhH3IDC = 2-(m-chlorophenyl)-1H-imidazole-4,5-dicarboxylic acid) (4), have been solvothermally synthesized and structurally characterized. Single-crystal X-ray analyses reveal that 1–3 show 2-D architectures and 4 exhibits a 3-D structure. The o-ClPhH3IDC and m-ClPhH3IDC ligands in the polymers can be partly deprotonated and coordinate to metal ions by various modes. The metal ions of 1–4 are coordinated only to oxygens. The thermal and luminescence properties of the polymers have also been investigated.
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