Ni diamond Sim_LAMMPS_MEAM_Wagner_2007_Ni__SM_168413969663_000 5.321840330958366 Optimization terminated successfully. Current function value: -26.430559 Iterations: 71 Function evaluations: 188 C11 = 58.611983 +/- 0.007336 GPa C12 = 42.373169 +/- 0.005187 GPa C44 = 3.785984 +/- 0.001834 GPa B = 47.786107 +/- 0.004235 GPa