Fe diamond MEAM_LAMMPS_EtesamiAsadi_2018_Fe__MO_549900287421_000 4.750845059752464 Optimization terminated successfully. Current function value: -17.574706 Iterations: 84 Function evaluations: 219 C11 = -7542553.314631 +/- 0.007336 GPa C12 = 524.452776 +/- 0.005187 GPa C44 = -2828529.189373 +/- 0.001834 GPa B = -2513834.803027 +/- 0.004235 GPa