Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -92.8042 eV; energy change = -5.4940 eV; symmetry: P4/mmm → P1
Fe8Co4B2C (space group: P4/mmm #123)
Phase diagram of Fe8Co4B2C; e_above_hull: 1.063092 eV/atom; predicted_stable: False