\label{tab:amines}
| . | Exp | PM6-D3H+ | PM6-D3H+ | +correction |
| Secondary | 1 | |||
| morpholine | 8.4 | 3.4 | 7.6 | 8.6 |
| Piperidine | 11.2 | 7.0 | 11.2 | 12.2 |
| Piperazine | 9.8 | 4.8 | 9.0 | 10.0 |
| Pyrrolidine | 11.3 | 7.3 | 11.5 | 12.5 |
| Diallylamine | 9.3 | 3.9 | 8.1 | 9.1 |
| Diisopropylamine | 11.0 | 8.2 | 12.4 | 13.4 |
| MAD | 4.4 | 0.7 | 0.9 | |
| Max | 5.4 | 1.4 | 2.4 | |
| Tertiary | 2 | |||
| N-methyl morpholine | 7.4 | 0.8 | 5.1 | 7.1 |
| quinuclidine | 11.0 | 3.9 | 8.2 | 10.2 |
| DABCO | 8.8 | 0.8 | 5.1 | 7.1 |
| N-Ethylpyrrolidine | 10.4 | 4.7 | 9.0 | 11.0 |
| Triallylamine | 8.3 | 1.2 | 5.5 | 7.5 |
| Diisopropylmethylamine | 10.5 | 6.8 | 11.1 | 13.1 |
| MAD | 6.4 | 2.3 | 1.1 | |
| Max | 8.0 | 3.7 | 2.6 |