Cell + Ionic relaxation with Orb v3 conservative inf MPA; 0.03 eV/Å threshold; final energy = -161.5984 eV; energy change = -1404.2505 eV; symmetry: Fm-3m → P1
LaBH8 in Fm-3m symmetry at 100 GPa, from Belli, Zurek & Errea (npj Comput. Mater. 2026). AB class: QNEs enhance Tc (97 to 143 K).