Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_ShimKoKim_2013_AlVH__MO_344724145339_001 Enter hexagonal lattice constants 'a' and 'c' (m): 2.8325563702897e-10, 4.794639561521556e-10