Sn diamond MEAM_LAMMPS_KoKimKwon_2018_Sn__MO_129364204512_000 6.581419467926026 Optimization terminated successfully. Current function value: -25.077505 Iterations: 71 Function evaluations: 190 C11 = 50.413353 +/- 0.007336 GPa C12 = 35.660186 +/- 0.005187 GPa C44 = 10.530913 +/- 0.001834 GPa B = 40.577909 +/- 0.004235 GPa