Sn bcc MEAM_LAMMPS_KimKoLee_2020_NaSn__MO_329881861557_000 3.752285405993462 Optimization terminated successfully. Current function value: -6.163702 Iterations: 71 Function evaluations: 185 C11 = 73.181947 +/- 0.007336 GPa C12 = 58.304763 +/- 0.005187 GPa C44 = 26.272095 +/- 0.001834 GPa B = 63.263824 +/- 0.004235 GPa