Enter a species  (e.g. Al, Fe): Na
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_KimKoLee_2020_Na__MO_321355778754_002
Enter hexagonal lattice constants 'a' and 'c' (m): 3.747968365252016e-10, 6.1204067113071e-10