Cell + Ionic relaxation with Orb v3; 0.03 eV/Å threshold; final energy = -168.1529 eV; energy change = -21.7143 eV; symmetry: I4/mmm → P1
RE-free magnet candidate: 01Mn2Fe12NMs1.82T
Phase diagram of MnFe4; eabovehull: 0.077099 eV/atom; predicted_stable: False