Absorption energies (nm), molar absorptivity (ε), and 2Haab calculated for the lower energy features of 1–8 in MeCN.
| Complex | λ max nm (ε, M−1 cm−1) | 2Hab (cm−1) |
|---|---|---|
| [MoO(bdt)(Me2Dt0)] (1) | 380 (1610), 532 (4400) | 4680 |
| [MoO(tdt)(Me2Dt0)] (2) | 380 (2320), 531 (6050) | 5360 |
| [MoO(qdt)(Me2Dt0)] (3) | 410 (6110), 548 (7450) | 6130 |
| [MoO(bdtCl2)(Me2Dt0)] (4) | 385 (2050), 531 (4460) | 4920 |
| [MoO(bdt)(iPr2Dt0)] (5) | 380 (2880), 529 (6900) | 6010 |
| [MoO(tdt)(iPr2Dt0)] (6) | 380 (2880), 533 (7500) | 6380 |
| [MoO(qdt)(iPr2Dt0)] (7) | 400 (8240), 543 (7070) | 5910 |
| [MoO(bdtCl2)(iPr2Dt0)] (8) | 390 (4070), 530 (9400) | 7540 |