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Average unsigned errors in angles for various sets of elements (Degrees)
| Set of elements | No. | PM6 | RM1 | PM5 | PM3 | AM1 |
|---|---|---|---|---|---|---|
| H, C, N, O | 100 | 3.1 | 3.1 | 3.3 | 2.5 | 2.7 |
| H, C, N, O, F, P, S, Cl, Br, I | 244 | 3.2 | 4.0 | 4.3 | 3.8 | 3.4 |
| Whole of main group | 900 | 8.0 | 8.6 | 8.5 | 8.8 | |
| 70 elements | 1681 | 7.9 |
