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A New Pyridine-substituted Azadithiolate 2Fe2S Complex Related to the Active Site of [FeFe]-hydrogenase

XU Fen-Fena ,  FENG Ya-Nan ,  DU Shao-Wu ,  CHEN Yi-Feng

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Citation:  XU Fen-Fena, FENG Ya-Nan, DU Shao-Wu, CHEN Yi-Feng. A New Pyridine-substituted Azadithiolate 2Fe2S Complex Related to the Active Site of [FeFe]-hydrogenase[J]. Chinese Journal of Structural Chemistry, 2016, 35(2): 237-245. doi: 10.14102/j.cnki.0254-5861.2011-0995 shu

A New Pyridine-substituted Azadithiolate 2Fe2S Complex Related to the Active Site of [FeFe]-hydrogenase

  • a No.

    a No.2 Middle School of Nanchang, Jiangxi 330006, China;

  • 2.

    b State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

    • 通讯作者: DU Shao-Wu,
  • 基金项目:

    This project was supported by the National Basic Research Program of China (973 Program, 2012CB821702) (973 Program, 2012CB821702)

摘要: A new 2Fe2S complex [(2-C5H4N)N(μ-CH2S)2Fe2(CO)6] (1) related to the active site of [FeFe]-hydrogenase was obtained by treating (HS)2Fe2(CO)6 with (pyridin-2-ylazanediyl) dimethanol. Protonation occurred at the pyridine nitrogen atom when two equivalents of HBF4·OEt2 acid were added to the toluene solution of 1, leading to the formation of [(2-C5H4NH)N(μ- CH2S)2Fe2(CO)6]·BF4·OEt2 (1H+), whose molecular structure was further established by single- crystal X-ray analysis. Complex 1 crystallizes in the monoclinic system, space group P21/n with a = 7.728(3), b = 11.825(4), c = 17.888(6) Å, β = 92.968(5)°, while complex 1H+ crystallizes in the triclinic system, space group P1 with a = 7.672(4), b = 10.382(5), c = 16.480(10) Å, α = 106.575(13), β = 93.18(3), γ = 104.262(17)°.

English

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