UV-visible data of complexes 1–2 and a selection of meso-porphyrins and cobaltous metalloporphyrin coordination compounds. The solvent used is the dichloromethane (exceptions are indicated).
| Compound | λ max (nm) (ε × 10−3) | E gap-opt (eV) | Ref. | ||||
|---|---|---|---|---|---|---|---|
| Soret band | Q bands | ||||||
| Free base meso-porphyrins | |||||||
| H2TClPP | 417(320) | 515(85) | 548(36) | 590(29) | 646(26) | 1.68 | This work |
| H2TMPP | 423(344) | 521(24) | 558(20) | 597(16) | 650(15) | 1.76 | This work |
| H2TTPa | 420 | 616 | 552 | 594 | 640 | 1.86 | 38 |
| H2TPBP | 420(513) | 516(17) | 552(7) | 591(5) | 646(4) | 1.82 | 5 |
| Cobaltous meso-porphyrin complexes | |||||||
| [CoII(TClPP)] | 412(380) | 529(64) | — | — | 2.01 | This work | |
| [CoII(TMPP)] | 414(450) | 535(23) | — | — | — | 2.11 | This work |
| [CoII(TPP)]b | 412 | 528 | — | — | — | 34 | |
| [CoII(TpivPP)]c | 412 | 524 | — | — | — | 34 | |
| [CoII(TPBP)]d | 412 | 528 | — | — | 7 | ||
| [CoII(TMPP)(pip)]e | — | 532 | — | — | — | 39 | |
| [CoII(TMPP)(py)]f | — | 535 | — | — | — | 40 | |
| [CoII(TPBP)(4,4′-bpy)2]d,e | 435(562) | 552(30) | — | — | — | 7 | |
| [CoII(TPP)(Hon)2]b,g | 434 | 555 | — | — | 41 | ||
| [CoII(TMPP)(4-CNpy)] (1) | 437(420) | 558(40) | 600(35) | — | — | 2.003 | This work |
| [CoII(TClPP)(4-CNpy)] (2) | 436(453) | 556(49) | 598(44) | — | — | 1.971 | This work |
a
H2TTP = meso-tetratolylporphyrin.
b
TPP = meso-tetraphenylporphyrinato.
c
TpivPP = α,α,α,α-tetrakis(o-pivalamidophenyl)porphyrinato.
d
TPBP = meso-{tetrakis-[4-(benzoyloxy)phenyl]porphyrinato}.
e
pip = piperidine.
f
Spectrum recorded in toluene.
g
Hon = 2-aminophenol.