Enter a species  (e.g. Al, Fe): Mg
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_JangKimLee_2018_ZnMg__MO_474962707676_001
Enter hexagonal lattice constants 'a' and 'c' (m): 3.209064998805839e-10, 5.196910502692713e-10