Ta diamond Sim_LAMMPS_Polymorphic_Zhou_2004_CuTa__SM_453737875254_000 5.91724474728 Optimization terminated successfully. Current function value: -41.875096 Iterations: 71 Function evaluations: 186 C11 = -3601212.417109 +/- 0.007336 GPa C12 = 74.735173 +/- 0.005187 GPa C44 = -1350460.700179 +/- 0.001834 GPa B = -1200354.315587 +/- 0.004235 GPa