Enter a species (e.g. Al, Fe): Mg Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KimKimLee_2009_AlMg__MO_058537087384_002 Enter hexagonal lattice constants 'a' and 'c' (m): 3.200132501497865e-10, 5.225794491977395e-10