Ground-state structure_Hem
Results of ground-state structure search for (A) PdH at 0 GPa, (B) PdH at 150 GPa, (C) Pd3H4 at 0 GPa, (D) Pd3H4 at 150 GPa, (E) PdH8 at 0 GPa, (F)
PdH10 at 0 GPa, (G) PdH12 at 0 GPa, and (H) PdH12 at 150 GPa. The gray balls represent Pd atoms, and the pink balls represent H atoms. The space groups
of the corresponding structures are indicated in parentheses.