Abstract
Two complexes [Co2(L)2(npht)2·H2O]n (1) and [Co(L)(mip)·0.5H2O]n (2) (H2npht=3-nitrophthalic acid, L=1,3-bis(5,6-dimethylbenzimidazol)propane, H2mip=5-methylisophthalic acid) were obtained under hydrothermal conditions. In compound 1, two npht2− ligands connect two crystallographically independent Co atoms to form a binuclear [Co2(npht)]2 subunit, further linked by L ligands to generate a 1D ladder-like chain, which is arranged into a 2D supramolecular layer through face-to-face π–π stacking interactions. Compound 2 exhibits a 2D 4-connected coordination network. The fluorescence properties of 1 and 2 have been investigated in the solid-state. Both complexes show higher catalytic behaviors for degradation of methyl orange dye.
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