Abstract

Three cadmium(II) coordination polymers {[Cd(mbtz) 2(H 2O) 2](BF 4) 2} n ( 1) [Cd(mbtz) 2Cl 2] n ( 2) and [Cd(mbtz) 2Br 2] n ( 3) (mbtz = 1,3-bis(1,2,4-triazol-1-ylmethyl)benzene) have been synthesized and characterized. In 1, 2 and 3, two mbtz ligands are wrapped around each other and are held together by cadmium(II) atoms to form one-dimensional chain. Two-dimensional hydrogen bonding network of 1 is formed via the hydrogen bonding interactions between the coordination water molecules and BF 4 - anions. 1, 2 and 3 exhibit blue luminescent emissions maximum at 465, 400 and 402 nm, respectively, in the solid state at room temperature.

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