间苯二甲酸-5-磺酸铜配合物的合成及其晶体结构
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摘要
以间苯二甲酸-5-磺酸钠为配体,与Cu SO4·5H2O金属盐进行反应,使用溶液法得到分子式为{[Cu2(L)2(H2O)6]·6H2O}n(L=间苯二甲酸-5-磺酸阴离子)的配合物,通过X-射线单晶衍射和红外光谱对该配合物的结构进行表征。结果表明,该配合物属于单斜晶系,晶胞参数a=1.229(6)nm,b=1.749(6)nm,c=1.397(6)nm,β=109.72°。结构分析表明,该羧酸配合物的中心Cu(Ⅱ)离子与两个配体上的2个氧原子和3个水分子中的氧原子形成五配位结构。配位原子在中心Cu(Ⅱ)离子周围形成四方锥的空间构型,分子结构为一维Z字形结构,通过大量的氢键作用和分子间相互作用力堆积成空间三维结构。
A novel copper isophthalate 5-sulfonate( L) complex,{ [Cu2( L)2( H2O)6]·6H2O }n,was synthesized by solvent method and characterized by single crystal X-ray diffraction and IR. The complex crystalized in monoclinic system with a =1. 229( 6) nm,b = 1. 749( 6) nm,c = 1. 398( 6) nm,β = 109. 72°. In the complex,the Cu( Ⅱ) ion was coordinated with five oxygen atoms. Two of them were from two carboxylic acid ligands,and the other three were from three water molecules. The five oxygen atoms formed a square pyramidal around Cu( Ⅱ) ion. The Cu( Ⅱ) ions were linked to one-dimensional Z-type chain by isophthalate 5-sulfonate. And the chains were packed to three-dimensional structure via a lot of hydrogen bonds and molecular interactions.
A novel copper isophthalate 5-sulfonate( L) complex,{ [Cu2( L)2( H2O)6]·6H2O }n,was synthesized by solvent method and characterized by single crystal X-ray diffraction and IR. The complex crystalized in monoclinic system with a =1. 229( 6) nm,b = 1. 749( 6) nm,c = 1. 398( 6) nm,β = 109. 72°. In the complex,the Cu( Ⅱ) ion was coordinated with five oxygen atoms. Two of them were from two carboxylic acid ligands,and the other three were from three water molecules. The five oxygen atoms formed a square pyramidal around Cu( Ⅱ) ion. The Cu( Ⅱ) ions were linked to one-dimensional Z-type chain by isophthalate 5-sulfonate. And the chains were packed to three-dimensional structure via a lot of hydrogen bonds and molecular interactions.
引文
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[3]LIU Qing-yan,XU Li.Synthesis,crystal structures,and photophysical properties of two novel lead(Ⅱ)-SIP coordination polymers(Na H2SIP=5-sulfoisophthalic acid monosodium salt)containing tetranuclear lead(Ⅱ)units[J].Eur.J.Inorg.Chem.,2006,8:1 620-1 628.
[4]YANG Shi-yao,LONG La-sheng,HUANG Rong-bin,et al.Hydroxylation of isophthalic acid in the hydrothermal reaction of CuⅡ-isophthalate system-syntheses and crystal structures of two coordination polymers[J].Inorg.Chim.Acta,2005,358(6):1 882-1 886.
[5]XIAO Yu,HUANG Pu,WANG Wei.Ligand structure induced diversification from dinuclear to 1D chain compounds:synthesis,structures and fluorescence properties[J].J.Clust.Sci.,2015,26(4):1 091-1 102.
[6]LIU Qing-yan,YUAN Da-qiang,XU Li.Diversity of coordination architecture of copper(Ⅱ)-5-sulfoisophthalic acid:synthesis,crystal structures,and characterization[J].Cryst.Growth Des.,2007,7(9):1 832-1 843.
[7]刘海燕,黄守磊,郝丽杰,等.二维网状配合物[Cd(HL)(tbb)(H2O)]·2H2O的合成、晶体结构及荧光性质[J].化学试剂,2014,36(1):73-75.
[8]翟相升,虞晓科,许伟.配合物[Cu(Phen)(H2O)(pCNC6H4COO)Cl]·H2O的结构及性质研究[J].化学试剂,2014,36(1):65-69.
[9]NASSIM N,NASRIN S,SAEID A.Two new alkoxobridged dinuclear copper(Ⅱ)complexes with 3-aminopyrazidine-2-carboxylic acid as ligands[J].J.Coord.Chem.,2008,61(5):796-801.
[10]JACEK R,ADAM H,MALGORZATA R,et al.Spectroscopic studies of the equilibrium between complexes of lasalocid acid with propargylamine and metal cations[J].Spectrochim.Acta A,2015,150:704-711.
[11]ANGELA D K,GEORGEK H S.A pseudo-honeycomb coordination net formed with 5-sulfoisophthalic acid[J].Cryst.Eng.Commun.,2002,4(18):102-105.
[12]LU Jian,LI Feng,YUAN Da-qing,et al.Assembly of two novel three-dimensional networks driven by alkali metals with an irreversible structural conversion[J].Polyhedron,2007,26(13):2 979-2 986.