Zr fcc Sim_LAMMPS_ADP_StarikovSmirnova_2021_ZrNb__SM_993852507257_000 4.609478265047074 Optimization terminated successfully. Current function value: -25.662658 Iterations: 89 Function evaluations: 242 C11 = 80.054461 +/- 0.007336 GPa C12 = 54.337114 +/- 0.005187 GPa C44 = 89.096743 +/- 0.001834 GPa B = 62.909563 +/- 0.004235 GPa