Enter a species (e.g. Al, Fe): Y Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KoLee_2013_VPdY__MO_046547823135_000 Enter hexagonal lattice constants 'a' and 'c' (m): 3.646404336979473e-10, 5.76180862685336e-10