基于5-苯基-2H-1,2,3-三唑-4-羧酸的锌配位聚合物的合成、晶体结构及性质
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摘要
在140℃的水热条件下,5-苯基-2H-1,2,3-三唑-4-羧酸与硫酸锌反应得到配位聚合物5-苯基-2H-1,2,3-三唑-4-羧酸锌,采用X射线单晶衍射、元素分析、热重分析、红外光谱、紫外光谱和荧光光谱测试等方法对所得配位聚合物进行了表征。结果表明,该配位聚合物晶体结构属正交晶系,空间群为Pbca,晶胞参数为a=1.016 16(14)nm、b=1.355 23(18)nm、c=2.664 5(4)nm、α=β=γ=90°、Z=8,其中Zn原子与N、O原子构成略有畸变的八面体结构,相邻的Zn原子通过配体桥联形成链状结构,链与链之间通过分子间氢键作用形成网状结构。
The coordination polymers of[Zn(L)_2(H_2O)]_n,(HL,5-phenyl-2 H-1,2,3-triazole-4-carboxylic acid)were synthesized by hydrothermal method at 140 ℃ and characterized by X-ray single crystal diffraction,elementary analysis,thermogravimetric analysis,infrared spectrum,ultraviolet spectrum and fluorescence spectrum.The results indicate that the coordination polymer crystal is orthorhombic,with space group Pbca,a=1.01616(14)nm,b=1.35523(18)nm,c=2.6645(4)nm,α=β=γ= 90°,Z=8.The zinc,nitrogen and oxygen atoms form a slightly distorted octahedral configuration.Furthermore,adjacent zinc atoms are linked by ligands to form a chain structure and extend to become network structure through intermolecular hydrogen bonds.
The coordination polymers of[Zn(L)_2(H_2O)]_n,(HL,5-phenyl-2 H-1,2,3-triazole-4-carboxylic acid)were synthesized by hydrothermal method at 140 ℃ and characterized by X-ray single crystal diffraction,elementary analysis,thermogravimetric analysis,infrared spectrum,ultraviolet spectrum and fluorescence spectrum.The results indicate that the coordination polymer crystal is orthorhombic,with space group Pbca,a=1.01616(14)nm,b=1.35523(18)nm,c=2.6645(4)nm,α=β=γ= 90°,Z=8.The zinc,nitrogen and oxygen atoms form a slightly distorted octahedral configuration.Furthermore,adjacent zinc atoms are linked by ligands to form a chain structure and extend to become network structure through intermolecular hydrogen bonds.
引文
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[2]Qin L,Hu J S,Huang L F,et al.Syntheses,characterizations,and properties of six metal-organic complexes based on flexible ligand 5-(4-pyridyl)-methoxyl isophthalic acid[J].Crystal Growth and Design,2010,10(9):4176-4183.
[3]Kitagawa S,Kitaura R,Noro S.Functional porous coordination polymers[J].Angewandte Chemie International Edition,2004,43(18):2334-2375.
[4]Moulton B,Zaworotko M J.From molecules to crystal engineering:supramolecular isomerism and polymorphism in network solids[J].Chemical Reviews,2001,101(6):1629.
[5]胡云霞,章文伟,李一志,等.基于2-氨基对苯二甲酸的镉配位聚合物的合成、晶体结构和性质研究[J].无机化学学报,2014,30(4):717-724.
[6]闫娟枝,朱苗力.1H-1,2,4-三唑-3,5-二羧酸锌的合成、表征及晶体结构研究[J].化学研究与应用,2013,25(12):1674-1679.
[7]Li X,Zhang T T,Zhang Z Y,et al.Hydrothermal synthesis,crystal structure and luminescence properties of lanthanide fumarate coordination polymers containing 2,2’-bipyridine[J].Journal of Coordination Chemistry,2007,60(22-24):272l-2729.
[8]Sreejith S S,Mohan N,Kurup M R P.Experimental and theoretical studies on photoluminescent Zn(II)host complex with an open book structure:implication on potential bioactivity and comparison with its ligand and Zn(II),Pd(II)siblings[J].Polyhedron,2017,135:278-295.
[9]Dong X Y,Akogun S F,Zhou W M,et al.Tetranuclear Zn(II)complex based on an asymmetrical salamo-type chelating ligand:synthesis,structural characterization,and fluorescence property[J].Journal of the Chinese Chemical Society,2017,64(4):412-419.
[10]付晓滨,陈云舟,李欢,等.5-苯基-2H-1,2,3-三唑-4-羧酸的合成[J].武汉工程大学学报,2016,38(6):527-531.