H bcc MEAM_LAMMPS_LeeJang_2007_FeH__MO_095610951957_000 2.4012761712074284 Optimization terminated successfully. Current function value: -0.159054 Iterations: 74 Function evaluations: 190 C11 = 14.294530 +/- 0.007336 GPa C12 = 13.855261 +/- 0.005187 GPa C44 = -22.209032 +/- 0.001834 GPa B = 14.001684 +/- 0.004235 GPa