Enter a species  (e.g. Al, Fe): Cu
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: SNAP_LiHuChen_2018_Cu__MO_529419924683_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.572866154459542e-10, 4.209194595187004e-10