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有机化学 ›› 2010, Vol. 30 ›› Issue (11): 1711-1715. 上一篇    下一篇

研究论文

席夫碱稀土配合物(3,5-t-Bu2-2-OC6H2CH＝N-8-C9H6N)3Ln(Ln＝Eu, Yb)的合成及晶体结构

李邦玉1,2，姚英明2，王耀荣2，张勇2，沈琪*,2   

  1. (1苏州市职业大学应用化学研究所 苏州 215104)
    (2苏州大学材料与化学化工部 苏州 215123)
  • 收稿日期:2010-03-31 修回日期:2010-05-30 发布日期:2010-06-18
  • 通讯作者: 李邦玉 E-mail:lby716103@163.com

Synthesis and Crystal Structure of Lanthanide Schiff-Base Com-plexes (3,5-t-Bu2-2-OC6H2CH＝N-8-C9H6N)3Ln (Ln＝Eu, Yb)

Li Bangyu1,2 Yao Yingming2 Wang Yaorong2 Zhang Yong2 Shen Qi*,2   

  1. (1 Institute of Applied Chemistry, Suzhou Vocational University, Suzhou 215104)
    (2 Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemis-try, Chemical Engineering and Materials Science, Suzhou University, Suzhou 215123)
  • Received:2010-03-31 Revised:2010-05-30 Published:2010-06-18

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以席夫碱钠盐[NaL(THF)]2 (L＝3,5-t-Bu2-2-OC6H2CH＝N-8-C9H6N) (1)为前体, 与无水LnCl3 (Ln＝Eu, Yb)按物质的量比3∶2在四氢呋喃体系中室温反应24 h, 高产率地得到均配型席夫碱稀土配合物LnL3 [Ln＝Eu (2), Yb (3)]. 两个配合物都通过了元素分析、红外光谱及单晶X射线衍射表征, 其中配合物2属于三斜晶系, P 空间群, a＝1.28670(14) nm, b＝1.32775(14) nm, c＝2.3254(2) nm, α＝93.435(2)°, β＝96.487(2)°, γ＝112.692(2)°. 配合物3属于单斜晶系, P21/c空间群, a＝1.72004(9) nm, b＝1.81911(9) nm, c＝2.85093(15) nm, β＝106.376(1)°.

关键词: 席夫碱, 铕, 镱, X射线衍射

The reaction of anhydrous LnCl3 (Ln＝Eu, Yb) with [NaL(THF)]2 (1) (L＝3,5-t-Bu2-2- OC6H2CH＝N-8-C9H6N) in a molar ratio of 2∶3 in THF at room temperature afforded the homoleptic Schiff base lanthanide complexes LnL3 [Ln＝Eu (2), Yb (3)]. These complexes were characterized by elemental analysis, IR spectra and X-ray structural determination. The crystal data of complex 2 are triclinic, P space group, a＝1.28670(14) nm, b＝1.32775(14) nm, c＝2.3254(2) nm, α＝93.435(2)°, β＝96.487(2)°, γ＝112.692(2)°. The crystal data of complex 3 are monoclinic, P21/c space group, a＝1.72004(9) nm, b＝1.81911(9) nm, c＝2.85093(15) nm, β＝106.376(1)°.

Key words: Schiff base, europium, ytterbium, X-ray diffraction