FeCoPt (space group: P3m1 #156, crystal system: trigonal, point group: 3m)
Phonon band structure (supercell [2, 2, 2], Δ=0.01 Å); imaginary modes detected; min freq = -0.84 THz
Phase diagram of FeCoPt; e_above_hull: 0.075444 eV/atom; predicted_stable: False