Fe4Mn2Bi2N (space group: P4/mmm #123, crystal system: tetragonal, point group: 4/mmm) (missed expected composition: Fe4Mn2Bi2N)
Cell + Ionic relaxation with Orb v3; 0.03 eV/Å threshold; final energy = -61.3830 eV; energy change = -6.3798 eV; symmetry: P4/mmm → Cm