Enter a species (e.g. Al, Fe): Mg Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_AhmadGrohGhazisaeidi_2018_MgY__MO_135739722270_000 Enter hexagonal lattice constants 'a' and 'c' (m): 3.186624167407921e-10, 5.172236901732273e-10