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Volumn 14, Issue 6, 2008, Pages 1954-1964

Electrochemical insights into the mechanisms of proton reduction by [Fe2(CO)6(μ-SCH2N(R)CH2S)] complexes related to the [2Fe]H subsite of [FeFe]hydrogenase

Author keywords

Bioinorganic chemistry; Electrochemistry; Iron; Proton reduction; S ligands

Indexed keywords

BIOCHEMISTRY; ELECTROCHEMISTRY; IRON;

EID: 44349159402     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200701454     Document Type: Article
Times cited : (94)

References (115)
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    • 2ases is provided as Supporting Information.
    • 2ases is provided as Supporting Information.
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    • The parameters ip and Ep, are respectively the peak current and the peak potential of a redox process; E1/2, Epa, E pc)/2, where Epa, ipa and Epc, ipc are respectively the potential and the current of the anodic and cathodic peaks of a reversible process; ΔE p, Epa, Ep c. v [V s-1] is the scan rate in CV experiments. An EC process comprises an electron-transfer step (E) followed by a chemical reaction C
    • -1] is the scan rate in CV experiments. An EC process comprises an electron-transfer step (E) followed by a chemical reaction (C).
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    • The potential of the peak around -1.4 V shifts negatively upon addition of acid.
    • The potential of the peak around -1.4 V shifts negatively upon addition of acid.
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    • E. R. Brown, R. F. Large in Techniques of Chemistry, 1, Physical Methods of Chemistry, Part MA. (Ed.: A. Weissberger). Wiley, New York. 1971, Chap. 6, pp. 423-530.
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    • 4]/[1] > 3 (Figure 1).
    • 4]/[1] > 3 (Figure 1).
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    • 2 from 1-2H.
    • 2 from 1-2H.
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    • 4; Scheme 5).
    • 4; Scheme 5).
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    • [23a] On the same grounds, metal-based reduction of the diiron complex in Scheme 9 is expected to result in an increased basicity of the metal site, which should be favourable to proton migration from the N atom to the iron centre.
    • [23a] On the same grounds, metal-based reduction of the diiron complex in Scheme 9 is expected to result in an increased basicity of the metal site, which should be favourable to proton migration from the N atom to the iron centre.


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