A Cd(II) coordination polymer with 5-ethoxy-isophthalate linker: synthesis, crystal structure, and fluorescent properties.

Abstract A new Cd(II) metal–organic coordination polymer, {[Cd(eoip)(bipy)(H2O)]·H2O}<italic> n </italic> (<bold>1</bold>), (H2eoip = 5-ethoxy-isophthalic acid, bipy = 2,2'-bipyridine), was assembled under hydrothermal condition by the reactions of Cd(II) acetate with H2eoip and bipy. Complex <bold>1</bold> was characterized by elemental analysis, IR spectroscopy, and X-ray single-crystal diffraction. Complex <bold>1</bold> was also characterized by TG and PXRD. The results reveal that the two carboxylic groups of each eoip ligand adopt chelate coordination modes to bridge adjacent Cd(II) ions to give a 1D chain along the <italic>b</italic> direction, the adjacent 1D chains are extended into a 3D supramolecular framework by hydrogen bonding. In addition, fluorescent properties of <bold>1</bold> were also investigated. [ABSTRACT FROM AUTHOR]