Two 2-dimensional cadmium(II) coordination polymers with 3-amino-5-methylthio-1,2,4-triazolate ligand

Reactions of cadmium(II) salts with 3-amino-5-methylthio-1H-1,2,4-triazole (Hamstz) afforded two cadmium(II) coordination polymers, [Cd 2 (amstz) 2 Cl 2 ] n (1) and [Cd 2 (amstz) 2 (NO 3 ) 2 ] n (2). Compounds 1 and 2 feature 2-D layered structures based on the dinuclear [Cd 2 (amstz) 2 ] subunits....

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Published inJournal of coordination chemistry Vol. 70; no. 1; pp. 127 - 134
Main Authors Li, Yun-Jian, Wang, Yu-Ling, Xu, Wen-Yuan, Han, Chang-Bao, Liu, Qing-Yan
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 02.01.2017
Taylor & Francis Ltd
Subjects
3-Amino-5-methylthio-1H-1,2,4-triazole
Anions
Cadmium
cadmium coordination polymer
Charge transfer
Coordination polymers
crystal structures
Emission
Ligands
Maxima
photoluminescence
Polyhedrons
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Summary:Reactions of cadmium(II) salts with 3-amino-5-methylthio-1H-1,2,4-triazole (Hamstz) afforded two cadmium(II) coordination polymers, [Cd 2 (amstz) 2 Cl 2 ] n (1) and [Cd 2 (amstz) 2 (NO 3 ) 2 ] n (2). Compounds 1 and 2 feature 2-D layered structures based on the dinuclear [Cd 2 (amstz) 2 ] subunits. The cadmium coordination polyhedra are tetrahedral and tetragonal pyramidal in 1 and 2, respectively, due to the presence of different coordinated anions, Cl − and NO 3 − . Compounds 1 and 2 exhibit photoluminescence emission with maxima at 620 and 621 nm upon excitation at 470 and 472 nm, respectively, which can be attributed to the ligand-to-metal charge transfer emssion.
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ISSN:0095-8972
1029-0389
DOI:10.1080/00958972.2016.1256478