科研之友
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摘要
A new metal-organic framework, namely, ([Co-2(oba)(2)(bib)]center dot H2O)(n) (1) (H(2)oba=4,4'-oxybis(benzoic acid) and bib=1,4-bis(2-methyl-imidazol-1-yl)butane), was prepared via self-assembly of the bib with cobalt salt in the presence of V-shaped oba ligand under mild condition. The structure of polymer 1 presents a six-connected self-interpenetrating 4(4).6(10).8 topological network with interweaving helical chains. In addition, the most stable conformation of bib has been analyzed by B3LYP calculation.
