Enter a species (e.g. Al, Fe): Ni Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_AsadiZaeemNouranian_2015_Ni__MO_700541006254_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.486918129060493e-10, 4.079842150676141e-10