Table 5.
Calculated SOCME (cm−1), transition dipole moments (TDM, a.u.), and phosphorescence emission rate (kp, s−1) of 1–3 based on optimized triplet excited states geometries at the ωB97X-D3/def2-TZVP(-f) level of theory
| SOCME (cm−1) | TDM (a. u.) | kP (s−1) | ||||
|---|---|---|---|---|---|---|
| T1 → S0 | Tna → S0 | T1 → S0 | Tna → S0 | T1 → S0 | Tna → S0 | |
| 1 | 0.94 | 32.61 | 1.8439*10−4 | 2.8084*10−3 | 2.86 | 9.69 *102 |
| 2 | 1.20 | 26.09 | 3.1097*10−4 | 7.6159*10−3 | 1.06 *101 | 9.28 *103 |
| 3 | 0.52 | 36.05 | 4.1461*10−4 | 3.1489*10−3 | 1.76 *101 | 1.35 *103 |
an = 2 for compound 1 and 2, and n = 3 for compound 3.