中华医学超声杂志

应用化学 ›› 1988, Vol. 0 ›› Issue (5): 67-70.

• 研究简报 • 上一篇    下一篇

铁钼硫原子簇化合物的合成与结构化学 Ⅵ.[MoFe3S4]双类立方烷化合物的循环伏安及穆谱研究

康北笙, 刘汉钦, 王舫, 郭智, 陈文章, 卢灿忠, 王新培, 卢嘉锡   

  1. 中国科学院福建物质结构研究所及福州结构化学开放实验室
  • 收稿日期:1987-11-05 修回日期:1988-04-22 出版日期:1988-10-10 发布日期:1988-10-10
  • 基金资助:
    国家自然科学基金及福建省自然科学基金资助

SYNTHESIS AND STRUCTURAL STUDIES OF Mo-Fe-S COMPOUNDS Ⅵ.CYCLIC VOLTAMMETRIC AND MÖSSBAUER STUDIES ON DOUBLECUBANE CLUSTER COMPOUNDS WITH[MoFe3S4]CORE

Kang Beisheng, Liu Hanqin, Wang Fang, Guo Zhi, Cheng Wenzhang, Lu Canzhong, Wang Xinpei, Lu Jiaxi   

  1. Fujian Institute of Research on the Structure of Matter and Fujian Laboratory of Structural Chemistry, Academia Sinica, Fuzhou
  • Received:1987-11-05 Revised:1988-04-22 Published:1988-10-10 Online:1988-10-10

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摘要： 我们曾报道双类立方烷簇合物(Et4N)4[Mo2Fe7S8(SR)12](R=Ph,1;R=o-tolyl,2;R=m-tolyl,3;R=p-tolyl,4)的结构[1,2],磁性质[3],及化学反应[4,5].氧化还原酶的固氮酶,其活性部位的Mo和S元素,可以发生丰富的氧化还原反应,研究这类铁钼硫簇合物的氧还性质,对了解电子传递情况是极为有用的.

关键词: 铁钼硫簇合物[MoFe3S4], 双类立方烷, 循环伏安法, 穆斯堡尔谱

Abstract: The cyclic voltammetric properties of a series of double-pseudo-cubane cluster compounds (Et4N)4[Mo2Fe7S8(SR)12](R=Ph,1;R=o-tolyl,2;R=m-tolyl,3;R=P-tolyl,4)were studied in 0-2.0V vs.SCE.All the compounds showed two redox couples corresponding to the single-electron redox reaction of two [MoFe3S4]3+cubane cores respectively.Mssbauer spectrum of 3·2THF recorded at liquid nitrogen temperature indicates the existence of three types of Fe site in the compound.They are four coordinate 2Fe(Ⅲ)+Fe(Ⅱ)of high spin in the[MoFe3S4]3+ core with average oxidation state of Fe at +2.67 and sixcoordinate Fe(Ⅱ) of high spin in Fe(SR)6 bridge.

Key words: Cluster compound, Double-cubane compound with[MoFe3S4], Cyclie voltammetry, Mössbauer Spectroscopy

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