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双-(3,5.二叔丁基-2-羟基苄基-3-异丙基咪唑基)五氯化镱的合成与结构 预览

Bis[ 1 - ( 3,5 -di-tert -butyl-2-hydroxybenzyl) -3-isopropylimidazolium pentachlorido (tetrahydrofuran) ybtterbium (HI)
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摘要 阴离子功能化的咪唑盐LCl(L=H04,6-di—tBu—C6H2-2-CH2{CH[NCHCHN]‘Pr})与无水YbCl3反应成功合成阴离子功能化的咪唑基五氯化物镱b[YbCl5(THF)]-Cl-,产物通过元素分析、IR、X—ray射线衍射法表征。晶体结构表明配合物属于三斜晶体,空间群P1,晶胞参数a=1.6082(4)nm,b=1.6522(4)nm,c=1.7778(5)nm,a=81.682(16)°,β=81.378(16),γ=68.172(10)°,V=4.315(2)nm3,Z=2,F(000)=1750,D=1.280Mg/m3,μ=1.32ram-1,R1=0.1076,wR2=0.2213。氢键的存在对空间网状结构的形成起着重要的作用。 The lanthanide complexes, [ I.q ]3+ [ YbCls (THF) ]2- Cl[ L = HO-4,6-di- Bu-C6Hz-2-CHz { CH ( NCHCHW Pr) I was synthesizedby the reaction of anhydrous YbCI3 with anionic functionalized imidazolium L CI- in I to 3 molar ratio in THF at room temperature in high yield. The complex was characterized by IR spectra, elemental analysis and single-crystal X-ray diffraction. The result shows that the crystal belongs to triclinie system, a=1.6082(4)nm,b=1.6522(4)nm,c=1.7778(5)nm,a=81.682(16)°,β=81.378(16),γ=68.172(10)°,V=4.315(2)nm3,Z=2,F(000)=1750,D=1.280Mg/m3,μ=1.32ram-1,R1=0.1076,wR2=0.2213 Structure analysis shows that hydrogen bonds play a key role for the stable structure in the complex.
作者 王志国 边清泉 刘思曼 刘婷 黄海霞 WANG Zhi-guo * , BIAN Qin-quan, LIU Si-man, LIU Ting, HUANG Hai-xia ( Department of Chemistry and Chemical Engineering, Mian Yang Normal University, Mianyang 621000, China)
出处 《化学研究与应用》 CAS CSCD 北大核心 2012年第10期1571-1576,共6页 Chemical Research and Application
基金 四川省科技厅应用基础基金资助项目(2009JY0075).
关键词 阴离子 咪唑 晶体结构 anionic functionalized imidazolium ytterbium crystal structure
作者简介 联系人简介:王志国(1970-),男,博士,副教授,主要从事金属有机化学与催化研究。Email:wangzhigu0224865@163.com
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