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Abstract
Hydrothermal reactions of CuCN, K3[Fe(CN)6] with 2,2′-bipyridine, 1,10-phenanthroline or 2,6-bis(1,2,4-triazolyl)pyridine (btp) afford three coordination polymers, [Cu7(CN)7(bipy)2] n (1), [Cu2(CN)2(phen)] n (2) and [Cu3(CN)3(btp)] n (3). Complex 1 displays 1D polymeric ribbons which are assembled through Cu ··· Cu and π–π stacking interactions into a 3D framework. Complex 2 shows a 1D zigzag chain structure in which phen is a side ligand. In 3, the copper cyanide 2D polymeric networks are connected by tridentate btp to form a 3D metal-organic framework. These coordination polymers exhibit strong fluorescent emissions in the solid state.
Acknowledgements
Financially supported by the Research Foundation for Returned Chinese Scholars Overseas of Chinese Education Ministry (7A14219), and the Development Foundation of Shanghai Education Commission (03AK35).
