Abstract
Two novel inorganic–organic hybrid frameworks [Cu2(BPTCA)(H2O)2·2H2O]n (1) and [Cd2(BPTCA)(μ-OH2)2]n (2) were obtained by reactions of 4,4′-bipyridine-2,2′,6,6′-tetracarboxylic acid (H4BPTCA) with copper(II) and cadmium(II) salts, respectively and characterized by X-ray single crystal structure analysis. Complex 1 has a two-dimensional ladder-like structure containing infinite –Cu–O– chains. The magnetic susceptibility data of 1 show the intra-chain ferromagnetic exchange coupling resulting from the orthogonal arrangement of copper magnetic orbital within the –Cu–O– infinite chain. Complex 2 is a three-dimensional framework in which the –Cd–(O)2– zigzag-chains are linked by BPTCA4−. The photoluminescence property of 2 is studied.
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