Enter a species (e.g. Al, Fe): V Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_OhSeolLee_2020_CoV__MO_771146361182_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.720364218915342e-10, 4.372572998813884e-10