Abstract
Two U(VI)-containing coordination polymers, (UO2)2O2(Suc)(2,2′-bipy)2 (1) and UO2(BC)2(DMF) (2) (2,2′-bipy = 2,2′-bipyridine, H2Suc = succinic acid, HBC = benzoic acid, DMF = N,N-dimethylformamide), have been synthesized and characterized via elemental analysis, infrared spectroscopy, UV-Vis spectroscopy, and single-crystal X-ray diffraction. Structural analyses show that 1 is a 1-D chain coordination polymer in which U(VI) ions are connected by succinic acid ligand and the 1-D chain is connected into a 3-D supramolecular network by C⊟H···O hydrogen bonds between carbon of 2,2′-bipyridine and uranyl oxygen. For 2, monomeric entities are further assembled into a 1-D supramolecular network by C–H···O hydrogen bonds between carbon of DMF molecule and coordinated carboxylate oxygen. Thermogravimetric analyses and photoluminescent properties of 1 and 2 are discussed.
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