Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -263.1562 eV; energy change = -147.8727 eV; symmetry: P4mm → P1
Interstitially doped with N at ~5.0%; supercell [2, 2, 2]; dopant atoms = 2
Phase diagram of Fe8Co4C4N; e_above_hull: 0.616772 eV/atom; predicted_stable: False