Fe7Mn2SiC (requested SG: P-4m2 #115, calculated SG: P1 #1, optimized: 139 steps, cell relaxed (isotropic))
Phonon band structure (supercell [2, 2, 2], Δ=0.01 Å); no imaginary modes; min freq = -0.07 THz
Phase diagram of Mn2Fe7SiC; e_above_hull: 0.172032 eV/atom; predicted_stable: False