Mn8Ni2Bi (space group: P4/mmm #123, crystal system: tetragonal, point group: 4/mmm) (missed expected composition: Mn8Ni2Bi)
Phase diagram of Mn7Ni2Bi; e_above_hull: 1.254470 eV/atom; predicted_stable: False
Phonon band structure (supercell [2, 2, 2], Δ=0.01 Å); imaginary modes detected; min freq = -12.24 THz