Nb bcc MEAM_LAMMPS_HuangLiuDuan_2021_HfNbTaTiZr__MO_893505888031_002 3.3024269565939903 Optimization terminated successfully. Current function value: -14.940634 Iterations: 70 Function evaluations: 176 C11 = 251.925505 +/- 0.007336 GPa C12 = 133.540262 +/- 0.005187 GPa C44 = 31.427140 +/- 0.001834 GPa B = 173.002010 +/- 0.004235 GPa