Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Sim_LAMMPS_BOP_ZhouWardFoster_2016_AlCu__SM_566399258279_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.493289325377341e-10, 4.429528861798135e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -10.765443 Iterations: 72 Function evaluations: 179 Finished calculation C11 = 401.7288484377876 GPa C12 = 106.98257986402844 GPa B = 205.23133605528147 GPa