Acta Chimica Sinica ›› 1999, Vol. 57 ›› Issue (4): 423-430. Previous Articles     Next Articles

Original Articles

一些大取代二茂铁三碘化物的合成和结构分析

李金山;熊传辉;张经坤;刘成;白京生   

  1. 南开大学元素有机化学研究所.天津(300071);南开大学中心实验室.天津 (300071)
  • 出版日期:1999-04-15 发布日期:1999-04-15

Synthesis and structure analysis of some bulkily substituted ferrocenium triiodides

Li Jinshan;Xiong Chuanhui;Zhang Jingkun;Liu Cheng;Bai Jingsheng   

  1. Nankai Univ, Elementoorgan Chem Lab.Tianjin(300071);Nankai Univ, Ctr Lab.Tianjin(300071)
  • Online:1999-04-15 Published:1999-04-15

A series of bulkily substituted ferrocenium triiodides with general formula (RC~5H~4)~2FeI~3 have been synthesized and characterized by elementary analysis, IR spectrum, mass spectrum, ESR spectrum, Mossbauer spectrum and conductivity. The crystal structure of [CH~2 (CH~2)~3C(2-CH~2C~5H~4N)C~5H~4]~2FeI~4.H~2O has been determined. The crystal belongs to triclinic, space group P-1, the cell parameters are a=0.9593(1), b=1.3999(2), c=1.4537(2)nm。α=109.64(1), β=97.25(1) , γ =104.69(1)ⅲ。V=1.7299nm^3, Mr=1030.13, Dx=1.98g/cm^3, Z=2. The results indicate that the substituted ferrocene is partially oxidized by iodine, therefore the central metal iron shows mixed valence state. Because of the effect of bulky substituents in cyclopentadienyl ring the polyiodide chains of the I~3^- ions are not formed, the conductivities of these compounds are very low.

Key words: FERROCENE, IODIDE, CRYSTAL STRUCTURE, ELEMENTAL ANALYSIS, INFRARED SPECTROPHOTOMETRY, MASS SPECTROGRAPHY, PARAMAGNETIC RESONANCE, MOSSBAUER SPECTROMETRY

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