Table 2. Absorption Maxima (λmax, nm) of Nickel Tetraalkylporphyrins and Their Singly Oxidized Products in PhCN and Py Containing 0.1 M TBAP.
in PhCN |
in Py |
|||||||
---|---|---|---|---|---|---|---|---|
(TRP)NiII |
[(TRP)NiII]+ |
(TRP)NiII |
[(TRP)NiIII (Py)2]+ |
|||||
compound | Soret | visible | Soret | vsible | Soret | visible | Soret | visible |
1 | 455 | 584, 622 | 422 | 778 | 452 | 583, 625 | 469 | 596, 646 |
2 | 426 | 550, 583 | 413 | 689 | 424 | 548, 589 | 445 | 571, 608 |
3 | 424 | 545, 583 | 415 | 700 | 424 | 545, 584 | 443 | 563, 600 |
4 | 421 | 539, 582 | 411 | 688 | 421 | 542, 582 | 441 | 560, 601 |