Abstract
Four Cu(I) cyanide coordination polymers, namely [Cu(L1)(CN)] n (1), [Cu2(L2)(CN)2] n (2), [Cu2(L3)(CN)2] n (3) and [Cu2(L4)(CN)2] n (4) (L1 = 4,4′-bis(1,2,4-triazolyl-1-yl)-biphenyl, L2 = 1,4-bis(5,6-dimethylbenzimidazole)butane, L3 = 1,3-bis(2-methylbenzimidazole)propane, L4 = 1,5-bis(5,6-dimethylbenzimidazole)pentane), were synthesized and structurally characterized by X-ray single-crystal diffraction. The cyanide anions in these complexes were generated in situ by cleavage of the C–C bond of acetonitrile under hydrothermal conditions. Complex 1 possesses a 1D infinite ladder-like chain structure, while complexes 2, 3 and 4 exhibit similar 2D (6,3) networks. Both 3 and 4 are further extended into 3D supramolecular frameworks by C–H···π stacking interactions. The fluorescence properties of the complexes and their catalytic activities for the degradation of Congo red azo dye in a Fenton-like process were investigated.
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Acknowledgments
The project was supported by the National Natural Science Foundation of China (51474086), Natural Science Foundation-Steel and Iron Foundation of Hebei Province (B2015209299), the Graduate Student Innovation Fund of North China University of Science and Technology (2015S13) and the Hercules Foundation (project AUGE/11/029 ‘‘3D-SPACE: 3D Structural Platform Aiming for Chemical Excellence’’) and the Research Fund-Flanders (FWO) for funding.
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Zhang, X., Dong, G.Y., Yu, B. et al. In situ construction of four copper(I) cyanide coordination polymers: crystal structures, fluorescence and catalytic properties. Transition Met Chem 40, 907–916 (2015). https://doi.org/10.1007/s11243-015-9987-1
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DOI: https://doi.org/10.1007/s11243-015-9987-1