Table 1. Formal Electrode Potentials (V, vs FeCp2 and, in Brackets, vs Ag/AgCl) and Peak-To-Peak Separations (mV) for the Redox Processes Exhibited in CH2Cl2 or THF Solutions and Aqueous Media by [2]+, [3]+, [4]+, and [5]+.
| oxidation
processes |
reduction
process |
|||||
|---|---|---|---|---|---|---|
| compound | E1° | ΔEpa | E2° | ΔEpa | E3° | ΔEpa |
| [2]CF3SO3b | +1.28e (+1.73) | +0.28 (+0.73) | 80 | –1.44 (−0.99) | 83 | |
| [3]CF3SO3b | +0.97 (+1.42) | 101 | –1.41 (−0.96) | 88 | ||
| [4]CF3SO3b | +0.97 (+1.42) | 95 | –1.40 (−0.95) | 84 | ||
| [5]CF3SO3b | +0.95 (+1.40) | 120 | –1.41 (−0.96) | 84 | ||
| [2]CF3SO3c | +0.24 (+0.81) | 85 | –1.42 (−0.85) | 85 | ||
| [3]CF3SO3c | +1.03e (+1.60) | –1.40 (−0.83) | 80 | |||
| [4]CF3SO3c | +1.05e (+1.62) | –1.42 (−0.85) | 80 | |||
| [4]CF3SO3d | +0.90e (+1.10) | –1.17 (−0.97) | 96 | |||
| [5]CF3SO3d | +0.90e (+1.10) | –1.18 (−0.98) | 96 | |||
a
Measured at 0.1 V/s.
b
In CH2Cl2/[nBu4N]PF6.
c
In THF/[nBu4N]PF6.
d
In phosphate buffer.
e
Peak potential value for irreversible processes.