Phonon band structure (supercell [2, 2, 2], Δ=0.01 Å); imaginary modes detected; min freq = -6.27 THz
Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -73.6729 eV; energy change = -0.2544 eV; symmetry: Pmmm → Pmmm
