Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_CostaAgrenClavaguera_2007_AlNi__MO_131642768288_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.832556382062652e-10, 4.794639555282562e-10