A nickel(II)-sulfur-based radical-ligand complex as a functional model of hydrogenase

Begum, Ameerunisha ; Moula, Golam ; Sarkar, Sabyasachi (2010) A nickel(II)-sulfur-based radical-ligand complex as a functional model of hydrogenase Chemistry - A European Journal, 16 (41). pp. 12324-12327. ISSN 0947-6539

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/chem.20...

Related URL: http://dx.doi.org/10.1002/chem.201001812

Abstract

A nickel(II) dithiolene complex [NiII(L2−)(L.)][PPh4] (1; see figure; L=1,2-dicarbomethoxyethylene dithiolate) electrocatalyzes hydrogen evolution at the lowest achievable reduction potential (−0.69 V) in CH3CN and also in aqueous medium (−0.71 V) to date. Compound 1 shows strikingly similar EPR and reduction potential values to those observed with native Ni-containing hydrogenases.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
Keywords:Cyclic Voltammetry; Density Functional Calculations; EPR Spectroscopy; Hydrogen Evolution; Hydrogenases
ID Code:59317
Deposited On:06 Sep 2011 06:13
Last Modified:06 Sep 2011 06:13

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