Phonon band structure (supercell [2, 2, 2], Δ=0.01 Å); no imaginary modes; min freq = -0.15 THz
Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -29.1189 eV; energy change = -0.0148 eV; symmetry: Pmm2 → Pmm2
