Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_DongKimKo_2012_CoAl__MO_099716416216_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.832556376984363e-10, 4.794639560616679e-10