Enter a species  (e.g. Al, Fe): Fe
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_LeeShimPark_2001_FeCr__MO_150993986463_001
Enter hexagonal lattice constants 'a' and 'c' (m): 2.552592009119692e-10, 4.168365295899327e-10