Table 2 The training and validation errors of VASP MLIP-multi and MACE MLIP-committee for the naphthalene molecular crystal, based on training data at 80 K, 120 K, 150 K, 220 K and 295 K, accounting for thermal lattice expansion on each dataset

From: Accurate machine learning interatomic potentials for polyacene molecular crystals: application to single molecule host-guest systems

 

Energy (meV/atom)

Force (meV/Å)

 

Training

Validation

Training

Validation

VASP

0.1

0.2

20.9

14.6

MACE

0.1

0.1

4.3

4.4

  1. The errors are presented as RMSE for energies and forces.