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

Corresponding author: DU Shao-Wu,
Received Date: 21 May 2015
Available Online: 10 December 2015
Fund Project: This project was supported by the National Basic Research Program of China (973 Program, 2012CB821702) (973 Program, 2012CB821702)

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)°.
- bioinorganic chemistry,
- [FeFe]-hydrogenase,
- protonation,
- proton reduction
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沈阳化工大学材料科学与工程学院沈阳 110142

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

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通讯作者: 陈斌, bchen63@163.com

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