Table 1.
Properties of iron-porphyrin complexes.
| Complex | UV-visible (nm)a | 1H NMR (δ)b | μeff (μB)c |
|---|---|---|---|
| (TPP)FeIII(ClO4) (1a) | 398 (5.11), 532 | 74.6, 18.3, 11.9, 11.7 | |
| (TMP)FeIII(ClO4) (1b) | 399 (5.07), 530 | 8.4, 3.6, 2.6, −26 | |
| (OEP)FeIII(ClO4) (1c) | 376 (4.92), 503, 553, 634, 559 | 47.0, 8.3 | |
| (TPP)FeIV(ClO4)2 (2a) | 396 (5.14), 532 | 69.6, 31.6, 16.9 | 2.96 |
| (TMP)FeIV(ClO4)2 (2b) | 397 (5.12), 530 | 66, 32, 14 | 3.03 |
| (OEP)FeIV(ClO4)2 (2c) | 391 (5.02), 495, 618 | ||
| (TPP)+•FeIII(ClO4)2 (3a) | 393 (5.03), 535, 602, 682 | 61.8, 32.8, −11.1, −14.2 | 5.50 |
| (TMP)+•FeIII(ClO4)2 (3b) | 392 (4.98), 498, 605, 680 | 92, 71.7, 31.4, 20.8 | 5.95 |
| (OEP)+•FeIII(ClO4)2 (3c) | 374 (4.85), 502, 595, 648 | 69.8, 26.9 | 5.20 |
a
UV-visible spectral absorbances in CH3CN; log ε of the Soret band in parentheses.
b
NMR spectra in CD3CN solution at −40 °C.
c
Effective magnetic moment determined in CD3CN at −40 °C.