Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_PascuetFernandez_2015_Al__MO_315820974149_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.841700463402694e-10, 4.737700985980848e-10