两种异烟酰腙及其铜配合物的合成、结构表征和量化计算  

Synthesis,Structure Characterization and Quantum Chemistry Calculation of Two Dual Pyridyl Acylhydrazone and Their Copper Complexes

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作  者:陈延民[1] 郑敏敏[1] 许钰婧 陈飞鹏[1] 

机构地区:[1]泉州师范学院化工与材料学院,福建泉州362000

出  处:《泉州师范学院学报》2016年第2期33-39,共7页Journal of Quanzhou Normal University

基  金:福建省大学生创新创业实践项目(201510399030)

摘  要:合成了4-乙酰基吡啶缩异烟酰腙(HL,1)和2-乙酰基吡啶缩异烟酰腙(HZ,2)两种Schiff碱及其相应的铜配合物[Cu(H_2O)L]NO_3·2H_2O(1a)和[Cu(CH_3COO)Z](2a),用元素分析和光谱分析进行了表征.荧光测试表明,金属配位的结果使配体的荧光增强.测定了1的二水合物(HL·2H2O)的单晶结构,该晶体属三斜晶系Pī空间群,晶胞参数为a=0.687 35(16)nm,b=0.756 62(18)nm,c=1.424 6(3)nm,α=86.933(3)°,β=82.983(3)°,γ=70.871(3)°,Z=2,Mr=276.30,Dc=1.320g·cm-3,F(000)=292.应用Gaussian 09程序,采用密度泛函方法(DFT),在B3LYP/6-31G(d)水平对酰腙配体进行了量化计算.Two dual pyridyl Schiff base, 4-acetylpyridine isonicotinoyl hydrazone (HL, 1) and 2- acetylpyridine isonicotinoyl hydrazone (HZ,2),and their copper(II) complexes [Cu(H20) L]NO3 · 2H2O (la) and [-Cu(CH3COO)Z] (2a) were synthesized and characterized by elemental analysis and spectra analysis, whose results showed that the luminescence of these Schiff base was greatly improved because of the coordination of Cu(II) ion. X-ray diffraction single crystal analysis showed that the crystal of HL · 2Hz O belonged to the triclinic system, space group Pi with cell parameters a = 0.687 35(16)nm,b=0.756 62(18) nm,c=1.424 6(3) nm,α=86.933(3)°,β=82.983(3)°,γ= 70.871(3)°,Z=2,Mr=276.30,Dc=1.320 g · cm-3,F(000) =292. The quantum chemical calculation for two acylhydrazone ligands was performed by means of Gaussian 09 program at B3LYP/6-31G(d) basis set.

关 键 词:席夫碱 铜配合物 合成 结构 量化计算 

分 类 号:O614.121[理学—无机化学] O641.1[理学—化学]

 

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