Table 1. Comparison of Vertical Transition Energies Using the Time and Energy Averaged Spectra from the Trajectories at 298 K, Employing the OM2/MNDO Method with Experimental Data.
| S1 |
S2 |
S3 |
|||||
|---|---|---|---|---|---|---|---|
| molecule | method | λ [nm] | f | λ [nm] | f | λ [nm] | f |
| sT | OM2/MNDO | 284 | 0.006 | 265 | 0.002 | 257 | 0.000 |
| experiment | 251 | 221 | |||||
| character | n–π* | n–π* | n–π* | ||||
| AT | OM2/MNDO | 273 | 0.000 | 240 | 0.005 | 236 | 0.002 |
| experiment | 262 | 221 | |||||
| character | n–π* | n–π* | π–π* | ||||
| DT | OM2/MNDO | 283 | 0.055 | 234 | 0.004 | 227 | 0.000 |
| experiment | 258 | 205 | |||||
| character | π–π* | n–π* | n–π* | ||||
| TT | OM2/MNDO | 243 | 0.000 | 231 | 0.003 | 225 | 0.000 |
| experiment | 241 | 206 | |||||
| character | π–π* | n–π* | n–π* | ||||
| 5AC | OM2/MNDO | 295 | 0.000 | 258 | 0.052 | 240 | 0.004 |
| experiment | 250 | 226 | 205 | ||||
| character | n–π* | π–π* | n–π* | ||||
| Cyt | OM2/MNDO | 286 | 0.065 | 264 | 0.000 | 236 | 0.064 |
| experiment | 274 | 0.069 | 237 | 0.001 | 206 | 0.003 | |
| character | π–π* | n–π* | n–π* | ||||