在溶剂热条件下合成了2种含HL(HL=(N-(3-甲基亚水杨基)吲哚乙胺)配体的金属配合物Ni(L)2 (1)和Cu(L)2 (2),并通过热重分析、红外光谱、元素分析和单晶X射线衍射表征其结构.配合物1和2均属于单斜晶系,空间群为P21/m.配合物1的晶胞参数为a=1.481 6(7) nm,b=1.310 0(6) nm,c=1.668 7(7) nm,β=1 11.346(7)°,配合物2的晶胞参数为a=1.479 7 (2) nm,b=1.299 41(19) nm,c=1.667 6(2) nm,β=111.537(3)°.配合物1和2具有类似的单核结构,通过分子内C-H…O氢键和分子间D-H…π氢键作用分别将其进一步延伸为三维超分子结构.而且,通过琼脂扩散法对配合物和配体的抗菌活性进行了细致的筛选,实验结果表明配合物1和2比配体具有更优异的抑菌效应.%The title complexes,Ni(L)2 (1) and Cu(L)2 (2) based on HL (HL=N-(3-methylsalicylidene)tryptamine) have been synthesized under solvothermal conditions and characterized structurally by TGA,infrared spectra,elemental analysis and single-crystal X-ray diffraction.Complexes 1 and 2 both crystallize in monoclinic system,and the space groups are P21 with the unit cell parameters for complex 1:a=1.481 6(7) nm,b=1.310 0(6) nm,c=1.668 7(7) nm,β=111.346(7)°,and for complex 2:a=1.479 7(2) nm,b=1.299 41(19) nm,c=1.667 6(2) nm,β=111.537(3)°.Complexes 1 and 2 possess the similar mononuclear structures,which are further extended into infinite 3D supramolecular frameworks by intramolecular C-H …O hydrogen bonds and intermolecular D-H … πhydrogen bonds,respectively.Furthermore,the complexes and the ligand have been investigated for their preliminary antibacterial activities in detail by agar diffusion method,and the results demonstrate that complexes 1 and 2 display more excellent inhibiting effects than the ligand.CCDC:1511747,1;1511743,2.
展开▼
