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三维配位聚合物[Ce_4(tzda)_6(H_2O)_(10)]_n的水热合成和晶体结构 被引量：4

Hydrothermal Synthesis and Crystal Structure of a 3D Coordination Polymer [Ce_4(tzda)_6(H_2O)_(10)]_n
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摘要 水热条件下合成了新颖的三维网状配位聚合物[Ce4(tzda)6(H2O)10]n(H2tzda为1,3,4-噻二唑-2,5-二硫代乙酸),对其结构进行了红外、元素分析和X射线单晶衍射测定.该配合物属三斜晶系,空间群P1,晶胞参数a=1.372 4(2)nm,b=1.665 3(2)nm,c=1.815 2(3)nm,α=104.270(2)°,β=107.900(2)°,γ=105.653(2)°,Z=2.在晶体结构单元中,存在有4个晶体学独立的Ce(Ⅲ)离子,4个Ce(Ⅲ)离子均与氧原子配位,其中3个为九配位,1个为八配位;配体阴离子tzda2-则展示了4种完全不同的配位模式,并通过这些配位模式将Ce(Ⅲ)离子连接成复杂的三维网状结构.此外,在室温条件下对配合物的荧光性质进行了测定. A novel 3D coordination polymer, [Ce4 （tzda）6 （H2O）10]n [H2tzda = （1,3,4-thiadiazole-2,5-diyldithio）diacetic acid], was hydrothermally synthesized and characterized by IR, elemental analysis and X-ray single crystal diffraction. The title complex crystallized in triclinic space group P1, with a=1. 372 4（2） nm, b=1. 665 3（2） nm, c=l. 815 2（3） nm, a=104. 270 （2）°, β=107. 900（2）°,γ=105. 653（2）° and Z= 2. In each structural unit, four Ce（Ⅲ） ions were all coordinated with oxygen atoms, three of them were nine-coordinated while the other one was eight-coordinated; and tzda2- ligands displayed four different coordination modes. Through these coordination modes, Ce（Ⅲ） ions were connected by ligands to form a complicated 3D net- work. Furthermore, the luminescent property of the title complex was also investigated.
作者 王宇婷 高辉 樊耀亭
机构地区 河南教育学院化学系 洛阳理工学院环境工程与化学系 郑州大学化学系
出处 《郑州大学学报（理学版）》 CAS 北大核心 2011年第2期93-99,共7页 Journal of Zhengzhou University:Natural Science Edition
基金 国家自然科学基金资助项目,编号20871106 2008年度河南省高等学校青年骨干教师资助计划项目,编号006,198 河南省教育厅自然科学研究计划项目,编号2009A150007,2009A430024 河南省基础与前沿技术研究计划项目,编号092300410033
关键词 配位聚合物 柔性羧酸配体 水热合成 晶体结构 coordination polymer flexible carboxylate ligand hydrothermal synthesis crystal structure
分类号 O723 [理学—晶体学]
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参考文献14

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共引文献12

同被引文献40

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郑州大学学报（理学版）
2011年 第2期

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