H diamond MEAM_LAMMPS_LeeJang_2007_FeH__MO_095610951957_002 3.7192181050777435 Optimization terminated successfully. Current function value: -2.040505 Iterations: 78 Function evaluations: 208 C11 = -2450241.654673 +/- 0.007336 GPa C12 = 25.042154 +/- 0.005187 GPa C44 = -918837.834558 +/- 0.001834 GPa B = -816730.523455 +/- 0.004235 GPa