Table 1. RMSDs of the Relative Energy Differences (ΔΔE, in kJ mol–1) and Average RMSDs of Atomic Positions (in Å) for the Scatters Depicted in Figure 6a.
| ΔΔE |
atomic
positions |
|||
|---|---|---|---|---|
| model | MP2 | ωB97X | MP2 | ωB97X |
| GAFF | 3.36 | 7.45 | 0.087 | 0.110 |
| GAFF.MOD | 4.26 | 4.05 | 0.079 | 0.095 |
| ANI-2x | 5.12 | 2.80 | 0.080 | 0.046 |
The molecular structures used as a reference were excluded from the calculation of the RMSDs of the relative energy differences. The QM references are MP2/6-311++G(2d,p) (MP2) and ωB97X/6-31G* (ωB97X).