Abstract
Three zinc(II) coordination polymers (CPs), {[Zn(L)0.5(tbta)]·0.5 L·2.5H2O}n (1), {[Zn(L)0.5(mip)]·H2O}n (2) and {[Zn(L)0.5(npht)(H2O)]·0.5H2O}n (3) (L = 1,4-bis(thiabendazole)butane, H2tbta = tetrabromoterephthalic acid, H2mip = 5-methylisophthalic acid, H2npht = 3-nitrophthalic acid) have been hydrothermally synthesized and structurally characterized. Single-crystal X-ray diffraction analyses reveal that CP 1 shows a 2D honeycomb-like (6, 3) network. CP 2 displays a hybrid helical chain, and further assembled into a 2D supramolecular layer via weak CH⋯O hydrogen bonding interactions, whereas CP 3 is a right-handed helical chain and finally extended into a 3D supramolecular structure by classical OH⋯O hydrogen bonds and π–π stacking interactions. Further, the Hirshfeld surfaces, fingerprint plots, fluorescence properties and catalytic performances of three CPs for the degradation of methyl orange dye in a Fenton-like process have been investigated.
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