W diamond Sim_LAMMPS_MEAM_Lenosky_2017_W__SM_631352869360_000 5.56925329566002 Optimization terminated successfully. Current function value: -50.756871 Iterations: 1064 Function evaluations: 3163 C11 = 676.582657 +/- 0.007336 GPa C12 = 607.404231 +/- 0.005187 GPa C44 = -20.468910 +/- 0.001834 GPa B = 630.463706 +/- 0.004235 GPa