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. 2023 Apr 18;63(9):2810–2827. doi: 10.1021/acs.jcim.2c01510

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
a

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).