Fe12Co4N2 (requested SG: P-42c #112, calculated SG: Cm #8, optimized: 112 steps, cell relaxed (isotropic))
Supercell 3x3x3 of Fe6Co2N (Space group: Cm, 108 symmetry operations)
Phonon band structure (supercell [2, 2, 2], Δ=0.01 Å); imaginary modes detected; min freq = -0.56 THz
Phase diagram of Fe6Co2N; e_above_hull: 0.101916 eV/atom; predicted_stable: False