Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -3.7066 eV; energy change = -134.3441 eV; symmetry: P4mm → P4/mmm
FeCoMnSi (space group: P4mm #99, crystal system: tetragonal, point group: 4mm)
Phase diagram of MnFeCoSi; e_above_hull: 6.984600 eV/atom; predicted_stable: False