Abstract
Two novel interesting metal–organic frameworks, [Zn(PDA)(bbi)] n (1) and [Cd2(PDA)2(bbi)2(H2O)2·10H2O] n (2) [H2PDA = pyridine-2,6-dicarboxylic acid, bbi = 1,1′-(1,4-butanediyl)bis(imidazole)] have been isolated under hydrothermal conditions and structurally characterized. X-ray single crystal structure analysis reveals that complex 1 crystallize in monoclinic P21/c space group, while complex 2 crystallize in triclinic P-1 space group. The PDA2− anions act in two different coordination modes: terminal chelating for 1 and chelating and bis-monoatomic bridging for 2. Polymeric chains of 1 and 2 are composed of Zn(II) and Cd(II) ions bridged by bbi ligands. The fluorescent properties of 1 and 2 were also investigated.
Published Version
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