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Journal of Coordination Chemistry
Year: 2010  |  Volume: 63  |  Issue: 21  |  Page No.: 3734 - 3742

Syntheses, structures, and characterizations of two coordination polymers assembled from zinc(II) salts with 1,2-bis[3-(1,2,4-triazolyl)-4-amino-5-carboxylmethylthio]ethane

Wenjuan Chu, Hongchang Yao, Hongcui MA, Yong He, Yaoting Fan and Hongwei Hou    

Abstract: Two new coordination polymers, [ZnL]n (1) and {[Zn(phen)(L)(H2O)] · 3H2O}n (2) (H2L = 1,2-bis[3-(1,2,4-triazolyl)-4-amino-5-carboxylmethylthio]ethane, phen = 1,10-phenanthroline), have been synthesized and characterized by elemental analysis, IR, and X-ray diffraction. Polymer 1 is a 1-D infinite chain (space group Pī) and further forms a 3-D supramolecular structure by S ··· S interactions and hydrogen bonds. Polymer 2 displays a mononuclear structure (space group Pī) and extends into a 3-D supramolecular structure through hydrogen bonds. In addition, spectra and thermal stability of 1 and 2 are also discussed. Strong luminescence characteristics of both polymers are found, suggesting their potential applications as luminescent materials.

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