Abstract
Six new Zn/Cd coordination polymers (CPs) based on a new terpyridine derivative ligand, namely, [ZnLCl]n·nH2O (1), [ZnL2]n (2), [CdL2(H2O)2]n (3), [CdL2(H2O)]n (4), [Cd2L2(m-bdc)(H2O)2]n (5), [Cd2L2(m-bdc)(H2O)]n (6), (H2(m-bdc) = benzene-1,3-dicarboxylic acid, HL = 4′-(2-carboxyphenyl)-3,2′:6′,3″-terpyridine), have been synthesized under hydrothermal conditions and characterized by elemental analyses, infrared spectra, single-crystal X-ray diffraction. Compound 1 displays a 3D utp topology based on left- and right-handed helical chains. Compounds 2, 3 and 4 are three kinds of 1D loop chain structures. Compound 5 features a (3,6)-connected 3D topology with point symbol of {42·6}2{44·62·88·10}. Compound 6 reveals a (3,6,8)-connected 3D framework with point symbol of {4·52}2{48·56·68·74·8·9}{48·66·7}. Luminescent properties of compounds 1–6 at room temperature were investigated.
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