Supercell 4x4x4 of FeBiS2 (Space group: P2_1/m, 256 symmetry operations)
Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -42.9355 eV; energy change = -0.1362 eV; symmetry: P2_1/m → P2_1/m