Sn diamond MEAM_LAMMPS_VellaChenStillinger_2017_Sn__MO_316045643888_000 6.303511068224907 Optimization terminated successfully. Current function value: -25.756462 Iterations: 71 Function evaluations: 187 C11 = 64.883407 +/- 0.007336 GPa C12 = 33.873121 +/- 0.005187 GPa C44 = 42.581367 +/- 0.001834 GPa B = 44.209883 +/- 0.004235 GPa