Mn12Al2C (space group: P4/mmm #123, crystal system: tetragonal, point group: 4/mmm) (missed expected composition: Mn12Al2C)
Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -107.3938 eV; energy change = -31.0977 eV; symmetry: P4/mmm → P4/mmm