Fe fcc Sim_LAMMPS_MEAM_AsadiZaeemNouranian_2015_Fe__SM_042630680993_000 3.604343503713608 Optimization terminated successfully. Current function value: -16.985803 Iterations: 1064 Function evaluations: 3171 C11 = 178.322199 +/- 0.007336 GPa C12 = 153.907719 +/- 0.005187 GPa C44 = 84.971949 +/- 0.001834 GPa B = 162.045879 +/- 0.004235 GPa