Enter a species (e.g. Al, Fe): Nd Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KimLee_2017_MgNd__MO_059320827436_000 Enter hexagonal lattice constants 'a' and 'c' (m): 3.659999996493578e-10, 5.976754966664991e-10