H bcc Sim_LAMMPS_ReaxFF_WeismillerVanDuinLee_2010_BHNO__SM_327381922729_001 2.863769374787808 Optimization terminated successfully. Current function value: -0.036430 Iterations: 76 Function evaluations: 204 C11 = 1.193548 +/- 0.007336 GPa C12 = 1.224813 +/- 0.005187 GPa C44 = 1.224819 +/- 0.001834 GPa B = 1.214391 +/- 0.004235 GPa