One-dimensional Coordination Polymers Generated from Organosulfur Ligand: Synthesis, Structure, Fluorescence and Magnetic Properties

Chem. J. Chinese Universities

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One-dimensional Coordination Polymers Generated from Organosulfur Ligand: Synthesis, Structure, Fluorescence and Magnetic Properties

WANG Lei^1,2, SUN Jin-Xu¹, DONG Wen-Jun², SHI Zhan², FENG Shou-Hua^2*

1. Key Laboratory of Eco-chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

Received:2008-02-04 Revised:1900-01-01 Online:2009-01-10 Published:2009-01-10
Contact: FENG Shou-Hua

Abstract

Abstract: Two new one-dimensional(1D) coordination polymers [M(2-mercapto-5-methyl-1,3,4-thiadiazole)₂]_n[M=Zn(1), Co(2)], were synthesized under solvothermal conditions and characterized by single crystal X-ray diffraction, FTIR, elemental analysis, and thermogravimetric analysis. Both two compounds crystallize in the monoclinic space group C2/c with analogous structures, in which the metal center exhibit distorted tetrahedral coordination geometries. The deprotonated 2-mercapto-5-methyl-1,3,4-thiadiazole molecule as a μ₂-ligand linkers the metal center into a 1D chain, which are futher linked by weak C-H···S bonds into a three-dimensional supramolecular framework. At room temperature, both two compounds exhibit intense photoluminescence. On the basis of the results of TG-DTA analyses, the structure is thermally stable up to 210 ℃ for compound 1 and 260 ℃ for compound 2. The magnetic behavior of compound 2 was studied.

Key words: Coordination polymer, M(2-mercapto-5-methyl-1,3,4-thiadiazole)₂(M=Zn, Co), Crystal structure, Magnetic property, Organosulfur ligand

CLC Number:

O614

TrendMD:

WANG Lei^1,2, SUN Jin-Xu¹, DONG Wen-Jun², SHI Zhan², FENG Shou-Hua^2*. One-dimensional Coordination Polymers Generated from Organosulfur Ligand: Synthesis, Structure, Fluorescence and Magnetic Properties[J]. Chem. J. Chinese Universities, doi: .

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One-dimensional Coordination Polymers Generated from Organosulfur Ligand: Synthesis, Structure, Fluorescence and Magnetic Properties

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