Enter a species (e.g. Al, Fe): Be Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_WeiZhouLi_2019_BeO__MO_344044439515_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.283296622845228e-10, 3.728607771593904e-10