【摘要】 合成了乙二胺双缩5-甲基-3-羧基水杨醛Schiff碱(H2EMS)镍(Ⅱ)配合物Ni(EMS),利用红外光谱、紫外-可见光谱和单晶X射线衍射分析了配合物的组成和结构.结果表明,合成的配合物Ni(EMS)属于单斜晶系,空间群为C2/c,其晶胞参数为:a=1.933 85(17)nm,b=0.974 24(9)nm,c=0.951 86(9)nm,β=91.084(2)°,V=1.793 02(28)nm3,Z=4,Mr=441.07,Dc=1.633 83g/cm3,F(000)=912,μ=1.126mm-1,R1=0.035 2,wR2=0.081 5,S=1.027.配合物中的镍离子采取四配位方式,处于平面正方形配位环境中.更多还原

【Abstract】 The title complex Ni(EMS) [H2EMS = N,N′-bis(5-methyl-3-carboxylsalicylidene)-ethylene diamine] was synthesized.Its crystal structure was confirmed by infrared spectrometry,ultraviolet-visible light spectrometry,and single crystal X-ray diffraction.Results indicate that as-prepared title complex belongs to monoclinic system of space group C2/c,with unit cell parameters of a = 1.933 85(17) nm,b = 0.974 24(9) nm,c = 0.951 86(9) nm,β = 91.084(2)°,V = 1.793 02(28) nm3,Z = 4,Mr = 441.07,Dc = 1.633 83 g/cm3,F(000) = 912,μ = 1.126 mm-1,R1 = 0.035 2,wR2 = 0.081 5,and S = 1.027.The Ni(Ⅱ) ion in the complex is coordinated with two oxygen atoms and two nitrogen atoms in a square planar manner.更多还原