配合物[Ni（EDTB）]·2ClO₄·2CH₃CH₂CH₂CH₂OH的合成、晶体结构及其催化尿素水解的活性

配合物[Ni（EDTB）]·2ClO 4 ·2CH 3 CH 2 CH 2 CH 2 OH的合成、晶体结构及其催化尿素水解的活性 Synthesis and Crystal Structure of Complex [Ni（EDTB）]·2ClO 4 ·2CH 3 CH 2 CH 2 CH 2 OH and Its Catalytic Activity in the Hydrolysis of Urea 陈彦国 CHEN Yanguo 1 2 first-author 洪鹏 HONG Peng 1 张卫东 ZHANG Weidong 2 徐保明 XU Baoming 1 湖北工业大学化学与化工学院/发酵工程教育部重点实验室工业发酵湖北省协同创新中心 湖北工业大学化学与化工学院/发酵工程教育部重点实验室工业发酵湖北省协同创新中心 Key Laboratory of Fermentation Engineering of Ministry of Education,Hubei Provincial Cooperative Innovation Center of Industrial Fermentation/College of Chemistry and Chemical Engineering,Hubei University of Technology Key Laboratory of Fermentation Engineering of Ministry of Education,Hubei Provincial Cooperative Innovation Center of Industrial Fermentation/College of Chemistry and Chemical Engineering,Hubei University of Technology 湖北师范学院化学化工学院 湖北师范学院化学化工学院 College of Chemistry and Chemical Engineering,Hubei Normal University College of Chemistry and Chemical Engineering,Hubei Normal University 报道了含对称六齿配体N,N,N′,N′-四（2′-苯并咪唑甲基）乙二胺（EDTB）的单核镍（Ⅱ）配合物[Ni（EDTB）]·2ClO4·2CH3CH2CH2CH2OH的合成、晶体结构及催化尿素水解的活性.该配合物为三斜晶系,P 1空间群,a=1.022 97（12）nm,b=1.281 81（15）nm,c=1.853 0（2）nm,α=72.470（2）°,β=77.400（2）°,γ=81.603（2）°,V=2.252 7（4）nm3,Z=2,F（000）=1 032,Dc=1.454g/cm3,Mr=986.53,μ（MoKα）=0.618mm-1.最终因子R[I>2σ（I）]:R1=0.066 8,wR2=0.181 4;R（全部数据）:R1=0.070 5,wR2=0.184 7.结构分析表明,镍（Ⅱ）分别与配体中的4个苯并咪唑氮原子和2个胺基氮原子配位,形成一个六配位的畸变八面体.荧光光谱法实验表明,该配合物具有催化尿素水解的活性. The synthesis and crystal structure of a mononuclear nickel（Ⅱ）complex,[Ni（EDTB）]·2ClO4 · 2CH3 CH2 CH2 CH2 OH（EDTB=N,N,N′,N′-tetrakis-[（2-benzimidazolyl）methy1]-1,2-ethanediamine）have been studied,as well as its effect on the hydrolysis of urea.The crystal structure has been determined by single crystal Xray diffraction.The crystal of the title complex is triclinic system,space group,P 1,a=1.022 97（12）nm,b= 1.281 81（15）nm,c=1.853 0（2）nm,α=72.470（2）°,β=77.400（2）°,γ=81.603（2）°,V=2.252 7（4）nm3,Z= 2,F（000）=1 032,Dc =1.454g/cm3,Mr =986.53,μ（MoKα）=0.618mm-1.The final R[I>2σ（I）]:R1 = 0.066 8,wR2 =0.181 4;R（all data）:R1 =0.070 5,wR2 =0.184 7.The nickel（Ⅱ）atom,owning a distorted octahedral coordination geometry,is six-coordinated by six nitrogen atoms:four nitrogen atoms of the benzimidazole groups and two amine nitrogen atoms from the ligand EDTB.The results of fluorescence spectrometry indicate that the complex shows the catalytic activity in the hydrolysis of urea. 单核镍（Ⅱ）配合物 晶体结构 荧光光谱 催化水解活性 机理 mononuclear nickel（Ⅱ）complex crystal structure fluorescence spectra catalytic hydrolysis activity mechanism 10.14188/j.1671-8836.2014.01.004 O641.4 湖北省教育厅重点科研基金（D200722004）;湖北省教育厅产学研重大项目（CXY2009A010）;湖北省自然基金重点项目（2010CDA020）;科技部中小企业创业基金（12C26214204453）;湖北工业大学博士启动基金（BSQD12139）资助项目 2014-01-01 2021-04-01 1 60