一维链结构的铜配位聚合物{[Cu2(BPIPH)(C5H5N)2(H2O)]·3H2O}n的合成与表征  

Synthesis and Characterization of One-Dimensional Chain Structure Coordination Polymer{[Cu2(BPIPH)(C5H5N)2(H2O)]·3H2O}n

作　　者：张文倩 肖子敬[1] ZHANG Wenqian;XIAO Zijing(College of Materials Science and Engineering,Huaqiao University,Xiamen 361021,China)

机构地区：[1]华侨大学材料科学与工程学院,福建厦门361021

出　　处：《华侨大学学报（自然科学版）》2020年第2期208-214,共7页Journal of Huaqiao University(Natural Science)

基　　金：国家自然科学基金资助项目(21771066);福建省自然科学基金资助项目(2015H0024)。

摘　　要：采用溶液法合成具有一维链结构的铜配位聚合物{[Cu2(BPIPH)(C5H5N)2(H2O)]·3H2O}n(H4BPIPH=二丙酮酸缩间苯二甲酰腙,C14H14N4O6).研究结果表明:该化合物属正交晶系;空间群为Pccn;晶胞参数为a=1.69421(8)nm,b=2.48580(11)nm,c=1.37205(8)nm,V=5.7783(5)nm3,Z=8,Dc=1.581 g·cm^-3,μ=1.536 mm-1,F(000)=2816,R1=0.0430,wR2=0.0906;该标题配合物是由2个中心Cu(Ⅱ)原子,1个BPIPH4-配体,1个配位水分子,2个吡啶分子和3个游离水分子组成;双核铜配合物分子之间通过BPIPH4-配体中羧酸根的桥联作用,将化合物连接成一维链状结构.A new one-dimensional chain structure supramolecular coordination polymer of{[Cu2(BPIPH)(C5H5N)2(H2O)]·3 H2O}n(H4BPIPH=N,N′-bis(pyruvic acid)isophthalohydrazone,C14H14N4O6)was prepared by solution method and structurally characterized.The results show that it crystallizes in orthorhombic crystal system and the space group is Pccn with a=1.69421(8)nm,b=2.48580(11)nm,c=1.37205(8)nm,V=5.7783(5)nm3,Z=8,Dc=1.581 g·cm^-3,μ=1.536 mm-1,F(000)=2816,R1=0.0430,wR2=0.0906.The title Complex consists of two central Cu(Ⅱ)atoms,one BPIPH4-ligand,one coordinating water molecule,two pyridine molecules and three free water molecules.Among them,the dinuclear copper complex molecules are bridged by carboxyl oxygen of BPIPH4-ligand to generate one-dimensional chain structure.

关 键 词：Cu(Ⅱ)配合物 二丙酮酸缩间苯二甲酰腙 晶体结构 一维链状结构 溶液法 

分 类 号：O641.4[理学—物理化学]