Enter a species (e.g. Al, Fe): W Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_LeeBaskesKim_2001_W__MO_227263111062_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.85376201433717e-10, 4.576810254894285e-10