| HF/6-311 + G(d.p) | MPW1PW91/6-311 + G(d.p) | ||||
| Nsp2 | Ocarbonyl | Nsp3 | Nsp2 | Ocarbonyl | Nsp3 |
| 214.401 | 199.773 | 180.930 | 214.236 | 205.061 | 178.953 |
| 100 | 0 | 0 | 100 | 0 | 0 |