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一维配位聚合物2-巯基-5-甲基-1,3,4-噻重氮锌钴的合成、结构与性能
引用本文:王磊,孙金绪,董文钧,施展,冯守华.一维配位聚合物2-巯基-5-甲基-1,3,4-噻重氮锌钴的合成、结构与性能[J].高等学校化学学报,2009,30(1):19-22.
作者姓名:王磊  孙金绪  董文钧  施展  冯守华
作者单位:1. 青岛科技大学化学与分子工程学院,生态化工教育部重点实验室,青岛,266042;吉林大学无机合成与制备化学国家重点实验室,长春,130012
2. 青岛科技大学化学与分子工程学院,生态化工教育部重点实验室,青岛,266042
3. 吉林大学无机合成与制备化学国家重点实验室,长春,130012
摘    要:于中温混合溶剂热体系中合成出2种同构的一维配位聚合物Zn(MMTT)2]n和Co(MMTT)2]n(MMTT=2-巯基-5-甲基-1,3,4-噻重氮), 并进行了单晶结构解析、红外、热重、荧光及磁性等表征. 晶体同属单斜晶系, C2/c空间群. Zn(MMTT)2]n的晶胞参数: a=1.40432(8) nm, b=1.13824(5) nm, c=0.72378(4) nm, β=101.425(3)°, V=1.13400(10) nm3; Co(MMTT)2]n的晶胞参数: a=1.4001(9) nm, b=1.1142(9) nm, c=0.7403(3) nm, β=107.84(6)°, V=1.0994(12) nm3. 化合物中金属原子采取四面体构型, 与MMTT配体分子相互连接形成无限一维链; 链与链之间通过配体间弱的C-H···S 氢键连接而形成三维超分子网络结构.

关 键 词:配位聚合物  2-巯基-5-甲基-1  3  4-噻重氮锌/钴  晶体结构  磁性  巯基配体
收稿时间:2008-02-04

One-dimensional Coordination Polymers Generated from Organosulfur Ligand:Synthesis,Structure,Fluorescence and Magnetic Properties
WANG Lei,SUN Jin-Xu,DONG Wen-Jun,SHI Zhan,FENG Shou-Hua.One-dimensional Coordination Polymers Generated from Organosulfur Ligand:Synthesis,Structure,Fluorescence and Magnetic Properties[J].Chemical Research In Chinese Universities,2009,30(1):19-22.
Authors:WANG Lei  SUN Jin-Xu  DONG Wen-Jun  SHI Zhan  FENG Shou-Hua
Institution: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
Abstract:Two new one-dimensional(1D) coordination polymers M(2-mercapto-5-methyl-1,3,4-thiadiazole)2]nM=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.
Keywords:Coordination polymer  2(M=Zn   M(2-mercapto-5-methyl-1" target="_blank">Co)')" href="#"> M(2-mercapto-5-methyl-1  3  4-thiadiazole)2(M=Zn  Co)  Crystal structure  Magnetic property  Organosulfur ligand
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