Fe diamond MEAM_LAMMPS_EtesamiAsadi_2018_Fe__MO_549900287421_002 4.750845059752464 Optimization terminated successfully. Current function value: -17.574706 Iterations: 84 Function evaluations: 219 C11 = -7542553.314578 +/- 0.007336 GPa C12 = 524.452809 +/- 0.005187 GPa C44 = -2828528.957421 +/- 0.001834 GPa B = -2513834.802987 +/- 0.004235 GPa