Table 3. Selected Spectroscopic and Electrochemical Results for the FeIIIOH Complexes.
[FeIIIH3buea(OH)]− | [FeIIIH22iPr(OH)]− | [FeIIIH1iPr(OH)]− | [FeIII0iPr(OH)]− | |
---|---|---|---|---|
ν(16O–H) (cm−1) | 3632a | 3668 | 3676 | 3690 |
λmax (ε, mM−1 cm−1) | 398 (4.7)a | 376 (5.3) | 374 (5.3) | 346 (5.4) |
D, E/D (cm−1) | −1.3, 0.17a | −1.3, 0.11 | −1.3, 0.16 | −1.3, 0.15 |
E1/2, Epc(V)b | −1.93 (−2.03) | −1.89 (−2.00) | −1.88 (−1.94) | c (−1.94) |
ΔEp (V)b | 0.20 | 0.14 | 0.16 | |
ipaipc−1b | 1.07 | 0.67 | 0.61 |
From ref #.
Measured as DMF solutions using [Cp2Fe]0/+1 as the reference.
Irreversible processes.