Enter a species  (e.g. Al, Fe): H
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_ShimLeeFleury_2011_VH__MO_072444764353_001
Enter hexagonal lattice constants 'a' and 'c' (m): 2.666901276953894e-10, 2.177515556680572e-10