Table 1. Predicted Formation Energies (in eV) for Vacancies in Li2S at the DFT and ReaxFF Levels for the Reactions Adopted in the Training Set.
vacancy | PBE0BS1 | PBE0BS2 | M06-2XBS2 | ReaxFF |
---|---|---|---|---|
Li | 5.971 | 6.030 | 6.336 | 5.943 |
S(S8) | 5.389 | 5.452 | 5.992 | 5.341 |
Li2S trivac. | 7.315 | 7.516 | 8.198 | 6.793 |
Li+–LiS– | 3.067 | 3.033 | 3.134 | 2.901 |