Enter a species (e.g. Al, Fe): Co Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_OhSeolLee_2020_CoV__MO_771146361182_001 Enter hexagonal lattice constants 'a' and 'c' (m): 2.502308888026765e-10, 4.075717465707113e-10