Table 2. Calculated Energy Differences (XMS-CASPT2/cc-pVTZ) between the Minima for the S0 and S1 States of Each Molecule and Their S2S1 MECIs.
| molecule | ΔE (0–0, S1 ← S0) (eV) | ΔE (S2/S1 ← S0) (eV) |
|---|---|---|
| benzene | 4.72 | 5.86 |
| toluene | 4.60 | 5.49 |
| aniline | 4.29 | 4.81 |
| fluorobenzene | 4.69 | 5.28 |
| phenol | 4.53 | 5.63 |