Table 1. Summary of Spectroscopic and CV Results for [FeIILR(fla)].
| [FeIILOMe(fla)] (1) | [FeIILMe(fla)] (2) | [FeIILBr(fla)] (4) | [FeIILNO2(fla)] (5) | ||
|---|---|---|---|---|---|
| FT-IR/cm–1 | ν(C=O) | 1545 | 1560 | 1550 | 1547 |
| νas(CO2)/νs(CO2) | 1611/1418 | 1620/1420 | 1610/1420 | 1612/1420 | |
| Δν/cm–1 | 193 | 200 | 190 | 192 | |
| UV–vis | 400 (9.59 × 103) | 399 (1.03 × 104) | 396 (1.16 × 104) | 394 (1.03 × 104) | |
| λ/nm (ε/M–1 cm–1) | 492 (2.53 × 103) | 491 (2.54 × 103) | 485 (2.77 × 103) | 484 (2.56 × 103) | |
| 271 (1.31 × 104) | 276 (1.23 × 104) | 287 (1.41 × 104) | 286 (1.25 × 104) | ||
| CV/V | Epa/Epc | –0.079/–0.149 | –0.050/–0.148 | +0.004/–0.102 | –0.009/–0.049 |
| (FeIII/II) | E1/2/ΔEp (mV) | –0.114/70 mV | –0.098/98 mV | –0.049/106 mV | –0.029/40 mV |
| ipc/ipa | 0.98 | 0.91 | 0.91 | 0.15 | |
| (fla/fla•) | Epa/Epc | +0.151/+0.089 | +0.157/+0.096 | +0.250/+0.182 | +0.270/+0.192 |
| E1/2/ΔEp (mV) | +0.120/62 mV | +0.126/61 mV | +0.216/68 mV | +0.231/78 mV | |
| ipc/ipa | 0.88 | 0.76 | 0.45 | 0.47 |