Table 2.
Measured and estimated reduction potentials vs. ferrocene+/0 (Fc+/0) in MeCN.a
| Redox Couple | E1/2 | References |
|---|---|---|
| E1/2(IrIVH/IrIIIH) | ~1.38 V | estimated herea |
| E1/2(IrIVtBu/IrIIItBu) | ~1.35 V | estimated herea |
| E1/2(*IrIIIH/IrIIH) | ~1.05 V | estimated hereb |
| E1/2(*IrIItBu/IrIItBu) | ~0.95 V | estimated hereb |
| E1/2(RCO2•/RCO2−) | ~0.9 V | 3a,4a,19 |
a
Quasi-reversible waves by cyclic voltammetry; see Supporting Information, Section 4.1.
b
See discussion of the optical E0–0 energies in Supporting Information, Section 4.2.