2-氨基对苯二甲酸双核铜配合物的合成与晶体结构

Synthesis and crystal structure of a binuclear complex of copper 2-amino terephthalate

合成了一种新的铜配合物[Cu2(μ-2-atp)(phen)4].2ClO4(2-atp为2-氨基对苯二甲酸,phen为邻菲咯啉),利用红外光谱和X射线单晶衍射表征了产物的结构,利用元素分析测定了其元素组成,利用热重分析考察了其热分解行为.结果表明,标题化合物属于三斜晶系,P-1空间群,晶胞参数为:a=0.971 0(9)nm,b=1.187 8(1)nm,c=1.234 9(1)nm,α=70.104 0(1)°,β=68.699 0(1)°,γ=86.719 0(1)°,V=1.244 1(2)nm3,Z=1,Dc=1.635g/cm3,μ=1.041mm-1,F(000)=623,R1=0.058 4,wR2=0.129 3.该化合物具有双核铜结构,通过强烈的π-π堆积作用形成二维超分子结构.

A new binuclear complex [Cu2（μ-2-atp）（phen）4] · 2ClO4（2-atp = 2-aminoterephthalic acid,phen = 1,10-phenanthroline） was synthesized.The structure of as-synthesized product was characterized by means of infrared spectrometry and single-crystal X-ray diffraction.The elemental composition of the product was determined by elemental analysis,and its thermal decomposition behavior was investigated by thermogravimetric analysis.Results indicate that the title compound belongs to triclinic system of space group P-1 with lattice parameters a = 0.971 0（9） nm,b = 1.187 8（1） nm,c = 1.234 9（1） nm,α = 70.104 0（1）°,β = 68.699 0（1）°,γ = 86.719 0（1）°,V = 1.244 1（2） nm3,Z = 1,Dc = 1.635 g/cm3,μ = 1.041 mm-1,F（000） = 623,R1 = 0.058 4,and wR2 = 0.129 3.Moreover,as-synthesized complex has a binuclear copper structure and forms a two-dimensional supramolecular structure by strong π-π stacking interactions.