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三维柔性羧酸配位聚合物[Ba(tzda)(H2O)3]n的合成与晶体结构
引用本文:宋连卿,王志玲,林钰,王宇婷,樊耀亭.三维柔性羧酸配位聚合物[Ba(tzda)(H2O)3]n的合成与晶体结构[J].河南教育学院学报(自然科学版),2008,17(2):29-32.
作者姓名:宋连卿  王志玲  林钰  王宇婷  樊耀亭
作者单位:1. 河南教育学院,化学系,河南,郑州,450014
2. 郑州大学,化学系,河南,郑州,450052
摘    要:合成了三维的配位聚合物Ba(tzda)(H2O)3]n(H2tzda为l,3,4-噻二唑-2,5-二硫代乙酸),对其进行了元素分析、红外和X-射线单晶衍射等表征。晶体Ba(tzda)(H2O)3]n属三斜晶系,空间群P1,晶胞参数a=0.74679(9)nm,b=0.81618(10)nm,c=l、34333(17)nm,α=107.2990(10)°,β=91、8850(10)°,γ=111.8700(10)°,Z=2.晶体结构中,钡离子与九个氧原子配位,其中六个氧原子来自于五个tzda^2-配体,另外三个来自于水分子,配体tzda^2-的两个羧基则分别采用了μ3-η^2:η^2。和μ2-η^1:η^1两种不同的配位模式将Ba(II)离子连接起来形成复杂的三维网状结构。

关 键 词:配位聚合物  柔性羧酸  合成  晶体结构

Synthesis and Crystal Structure of 3D Coordination Polymer [ Ba(tzda) (H2O)3]n Constructed by Flexible Carboxylic Acid
SONG Lianqing,WANG Zhiling,LIN Yu,WANG Yuting,FAN Yaoting.Synthesis and Crystal Structure of 3D Coordination Polymer [ Ba(tzda) (H2O)3]n Constructed by Flexible Carboxylic Acid[J].Journal of Henan Education Institute(Natural Science Edition),2008,17(2):29-32.
Authors:SONG Lianqing  WANG Zhiling  LIN Yu  WANG Yuting  FAN Yaoting
Institution:SONG Lianqing, WANG Zhiling, LIN Yu, WANG Yuting, FAN Yaoting ( a. Department of Chemistry, Henan Institute of Education, Zhengzhou 450014, China; b. Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China)
Abstract:A novel 3 D coordination polymer, Ba (tzda) ( H2O) 3 ] n ( H2 tzda=( 1,3,4 - thiadiazole - 2,5 - diyldi- thio) diacetic acid) , has been synthesized and characterized by elemental analysis, IR and X-ray single crystal diffraction. The title complex crystallizes in triclinic space group P1, with a = 0. 746 79 (9) nm, b = 0. 816 18 (10) nm, c=1.343 33(17) nm, α=107.2990(10)°,β= 91.8850(10)°, y=111.8700(10)° and Z=2. In the structure, the Ba(II) ion is nine-coordinated by six carboxyl oxygen atoms from five different tzda^2- ligands and three water molecules. The two carboxyl groups of each tzda^2- ligand display μ3 - η^2:η^2 and μ2 - η^1:η^1 bridging mode, respectively, to link Ba ions and then form complicate three-dimensional network structure.
Keywords:coordination polymer  flexible carboxylic acid  synthesis  crystal structure
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