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作 者:陈延民[1] 储召华[2] 郝桂霞[2] 解庆范[1]
机构地区:[1]泉州师范学院化学与生命科学学院,泉州362000 [2]韩山师范学院化学系,潮州521041
出 处:《无机化学学报》2015年第2期317-322,共6页Chinese Journal of Inorganic Chemistry
基 金:福建省教育厅A类重点项目(No.JA14261);广东省科技厅科技项目(No.2011B090400521)资助
摘 要:合成了一种酰腙类Schiff碱4-(二乙胺基)水杨醛异烟酰腙(H2L·H2O,1)并制备了它的锌配合物[Zn(L)(Phen)]∞(2),用元素分析、红外光谱、紫外光谱、荧光光谱和X-射线单晶衍射分析等手段进行了表征。1的晶体属三斜晶系,P1空间群,晶胞参数a=0.7105 8(4)nm,b=1.004 5(2)nm,c=1.305 4(3)nm,α=97.383(11)°,β=102.989(12)°,γ=104.038(10)°,V=8.641(3)nm3,Z=2;分子间通过氢键作用形成一维链超分子体系。2的晶体属三方晶系,P31空间群,晶胞参数a=1.686 54(12)nm,b=1.686 54(12)nm,c=0.796 56(12)nm,V=1.962 2(5)nm3,Z=3;配合物结构基元由1个锌离子、1个菲咯啉和1个酰腙组成,通过吡啶环的桥联作用形成一种双螺旋状配位聚合物。1和2都能发射绿色荧光,最大发射波长分别为524和535 nm。A hydrazone Schiff base monohydrate, C17H20N4O2· H2O (1), was synthesized by rection of 4-diethylamino -salicylaldehyde and isoniazide, and its zinc(I) coordination polymer, [Zn(L)(Phen)]∞ (2) with double helix structure, was prepared. They have been characterized by elemental analysis, IR, UV-vis spectra and X-ray diffraction single crystal analysis and the fluorescence property of the compounds were investigated, which result showed that the crystal of 1 belongs to the triclinic system,space group P1 with cell parameters a=0.710 58(4) nm, b= 1.004 5(2) nm, c=1.305 4(3) rim, α=97.383(11)°, β=102.989(12)°, T=104.038(10)°, V=8.641(3) nm^3, Z=2, Mr= 330.39, Dc=1.270 g·cm^-3 and the crystal of 2 belongs to the trigonal system,space group P32 with cell parameters a=1.686 54(12) nm, b=1.686 54(12) nm, c=0.796 56(12) nm, V=1.962 2(5) nm^3, Z=3, Mr=555.93,Dc=1.411 g·cm^-3. The compounds 1 and 2 exhibit luminescence with emission maximum at 524 and 535 nm at room temperature, respectively.
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