Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: SNAP_ZuoChenLi_2019_Cu__MO_931672895580_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.558108515698315e-10, 4.240838337684906e-10