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. 2021 Jun 24;12:3927. doi: 10.1038/s41467-021-24119-3

Fig. 1. CCSD(T) and FN-DMC interaction energies for a medium and a large dimer.

Fig. 1

It can be seen that the interaction energy increases by a factor ~10, near-linearly with the size of the system, whereas the corresponding disagreement between CCSD(T) and FN-DMC increases by a factor of ~76.