Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -3.7058 eV; energy change = -134.3373 eV; symmetry: P4mm → P4/mmm
FeCoMnSi (space group: P4mm #99, crystal system: tetragonal, point group: 4mm) (missed expected composition: FeCoMnSi)
Phase diagram of MnFeCoSi; e_above_hull: 0.122629 eV/atom; predicted_stable: False