Calculated bond dissociation energies (BDE) and Wiberg bond index (WBI) of the trigger bonds (cage-NO2 bonds) in NO2-1-1 and NO2-3-1 at the M06-2X, ωB97XD and B3LYP level.
| Compounds | WBI | BDE(kJ mol−1) | ||||
|---|---|---|---|---|---|---|
| Methods | M06-2X | ωB97XD | B3LYP | M06-2X | ωB97XD | B3LYP |
| NO2-1-1 | 0.6640 | 0.6657 | 0.6852 | 402.245 | 447.635 | 393.573 |
| NO2-2-1 | 0.6716 | 0.6731 | 0.6916 | 389.882 | 358.869 | 381.905 |
| CL-20 | 0.9421 | 0.9460 | 0.9318 | 153.092 | 127.022 | 148.656 |