Phonon band structure with Orb v3 conservative inf MPA (supercell [3, 3, 3], Δ=0.01 Å); no imaginary modes; min freq = -0.03 THz
Cell + Ionic relaxation with Orb v3 conservative inf MPA; 0.03 eV/Å threshold; final energy = -26.2462 eV; energy change = -0.5830 eV; symmetry: P-31m → P-31m