U diamond MEAM_LAMMPS_FernandezPascuet_2014_U__MO_399431830125_001 5.928385064005852 Optimization terminated successfully. Current function value: -34.427604 Iterations: 73 Function evaluations: 187 C11 = 76.543589 +/- 0.007336 GPa C12 = 94.962438 +/- 0.005187 GPa C44 = 3480.227289 +/- 0.001834 GPa B = 88.822821 +/- 0.004235 GPa