Ta bcc Sim_LAMMPS_Hybrid_DuanXieGuo_2019__SM_016305073020_000 3.291649274528027 Optimization terminated successfully. Current function value: -0.013599 Iterations: 76 Function evaluations: 183 C11 = 2.015480 +/- 0.007336 GPa C12 = 2.104348 +/- 0.005187 GPa C44 = 1.032579 +/- 0.001834 GPa B = 2.074725 +/- 0.004235 GPa