high above the hull
Phase diagram of Nb4Co14Bi; eabovehull: 0.277027 eV/atom; predicted_stable: False
Supercell 2x2x2 of Nb4Co14Bi (Space group: P4/m, 64 symmetry operations)
Phonon band structure (supercell [3, 3, 3], Δ=0.01 Å); imaginary modes detected; min freq = -7.37 THz