Sn bcc Sim_LAMMPS_MEAM_VellaChenStillinger_2017_Sn__SM_629915663723_000 3.791482396423817 Optimization terminated successfully. Current function value: -6.150392 Iterations: 73 Function evaluations: 191 C11 = 90.436540 +/- 0.007336 GPa C12 = 67.006773 +/- 0.005187 GPa C44 = 5.974054 +/- 0.001834 GPa B = 74.816696 +/- 0.004235 GPa