Papers › TorchMD-NET: Equivariant Transformers for Neural Network based Molecular Potentials

TorchMD-NET: Equivariant Transformers for Neural Network based Molecular Potentials

5 Feb 2022arXiv:2202.02541archive 2025-07-28

Philipp Thölke, Gianni de Fabritiis

The prediction of quantum mechanical properties is historically plagued by a trade-off between accuracy and speed. Machine learning potentials have previously shown great success in this domain, reaching increasingly better accuracy while maintaining computational efficiency comparable with classical force fields. In this work we propose TorchMD-NET, a novel equivariant transformer (ET) architecture, outperforming state-of-the-art on MD17, ANI-1, and many QM9 targets in both accuracy and computational efficiency. Through an extensive attention weight analysis, we gain valuable insights into the black box predictor and show differences in the learned representation of conformers versus conformations sampled from molecular dynamics or normal modes. Furthermore, we highlight the importance of datasets including off-equilibrium conformations for the evaluation of molecular potentials.

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