Enter a species (e.g. Al, Fe): Mg Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_JelinekGrohHorstemeyer_2012_AlSiMgCuFe__MO_262519520678_001 Enter hexagonal lattice constants 'a' and 'c' (m): 3.202790298448421e-10, 5.187316875178119e-10