U fcc MEAM_LAMMPS_FernandezPascuet_2014_U__MO_399431830125_002 4.480948120355606 Optimization terminated successfully. Current function value: -21.169803 Iterations: 72 Function evaluations: 188 C11 = 65.547570 +/- 0.007336 GPa C12 = 94.219581 +/- 0.005187 GPa C44 = -1.598810 +/- 0.001834 GPa B = 84.662244 +/- 0.004235 GPa