Enter a species (e.g. Al, Fe): Cu Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_AgrawalMirzaeifar_2021_CuC__MO_028979335952_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.550393720978428e-10, 4.20068783165045e-10