Ridley, Anna R. ; Stewart, A. Ian ; Adamczyk, Katrin ; Ghosh, Hirendra N. ; Kerkeni, Boutheïna ; Guo, Z. Xiao ; Nibbering, Erik T. J. ; Pickett, Christopher J. ; Hunt, Neil T. (2008) Multiple-timescale photoreactivity of a model compound related to the active site of [FeFe]-hydrogenase Inorganic Chemistry, 47 (17). pp. 7453-7455. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic800568k
Related URL: http://dx.doi.org/10.1021/ic800568k
Abstract
Ultraviolet (UV) photolysis of(μ-S(CH2)3S)Fe2(CO)6 (1), a model compound of the Fe-hydrogenase enzyme system, has been carried out. When ultrafast UV-pump infrared (IR)-probe spectroscopy, steady-state Fourier transform IR spectroscopic methods, and density functional theory simulations are employed, it has been determined that irradiation of 1 in an alkane solution at 350 nm leads to the formation of two isomers of the 16-electron complex (μ-S(CH2)3S)Fe2(CO)5 within 50 ps with evidence of a weakly associated solvent adduct complex. 1 is subsequently recovered on timescales covering several minutes. These studies constitute the first attempt to study the photochemistry and reactivity of these enzyme active site models in solution following carbonyl ligand photolysis.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 101754 |
| Deposited On: | 01 Feb 2017 10:46 |
| Last Modified: | 01 Feb 2017 10:46 |
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