Enter a species  (e.g. Al, Fe): H
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_LeeJang_2007_FeH__MO_095610951957_002
Enter hexagonal lattice constants 'a' and 'c' (m): 2.350630372669548e-10, 3.838563324619105e-10