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铜(Ⅱ)-牛磺酸缩2-吡啶甲醛席夫碱-3,5-二羟基苯甲酸三元配合物的合成及其晶体结构 被引量:2

Synthesis of Copper(Ⅱ) Ternary Complex with Taurine 2-Pyridinecarboxaldehyde Schiff Base and 3,5-Dihydroxybenzoic Acid and Its Crystal Structure
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摘要 牛磺酸缩2-吡啶甲醛席夫碱,3,5-二羟基苯甲酸与醋酸铜在50%甲醇中反应合成了铜(Ⅱ)-牛磺酸缩2-吡啶甲醛席夫碱-3,5-二羟基苯甲酸三元配合物{[Cu(C8H9N2O3S)(C7H6O4).(H2O)2].2H2O(1)},其结构经IR,元素分析和X-射线单晶衍射法表征。1属三斜晶系,空间群P-1,晶胞参数a=7.066(2),b=11.891(4),c=12.859(4),α=104.034(14)°,β=96.884(13),°γ=99.053(10)°,V=1020.9(6)3,Z=2,Dc=1.633 g.cm-3,μ=1.233 mm-1,F(000)=518,R1=0.1108,wR2=0.322。1的中心铜离子与席夫碱配体的两个N原子,3,5-二羟基苯甲酸羧酸根上一个O原子以及两个水分子的O原子配位,形成一个五配位的四方锥结构。由结晶水分子,没参与配位的磺酸基氧,配位水分子间形成的氢键以及吡啶环、苯环间的π┈π相互作用,使1分子堆积成三维超分子网状结构,稳定了整个晶体结构。 The title copper( II ) ternary complex{ [ Cu( C8H9N2O3S) ( C7H6O4) · ( H2O) 2 ] · 2H2O (1) | was synthesized by reaction of copper acetate and ligands of taurine 2-pyridineearboxaldehyde Schiff base and 3,5-dihydroxybenzoic acid in 50% methanol aqueous solution. The structure was characterized by IR, elemental analysis and X-ray single crystal diffraction analysis. 1 belongs to triclinic, space group P-1 with a =7.066(2)°, b=11.891(4)°A, c=12.859(4) A, α = 104.034 (14)°,β=96.884(13)°,γ=99.053(10)°, V=1020.9(6) A Z=2, Dc=1.633 g·cm^-3 u=1.233 mm^-1, F(000) =518, R1 =0. 1108, wR2 =0.322. The central Cu( II ) is coordinated with two N and three 0 atoms of the ligands from taurine Schiff base, 3,5-dihydroxybenzoic acid and
出处 《合成化学》 CAS CSCD 北大核心 2010年第1期36-39,127,共5页 Chinese Journal of Synthetic Chemistry
基金 广西壮族自治区自然科学基金资助项目(0731053) 钦州学院中青年骨干教师资助计划资助项目{钦学院发[2008]30号}
关键词 三元配合物 牛磺酸席夫碱 2-吡啶甲醛 3 5-二羟基苯甲酸 合成 晶体结构 copper( II ) ternary complex taurine Schiff base 2-pyridinecarboxaldehyde 3,5-dihydroxybenzoic acid synthesis crystal structure
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