Enter a species (e.g. Al, Fe): Pt Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_KimSeolJi_2017_PtAl__MO_793141037706_001 Enter hexagonal lattice constants 'a' and 'c' (m): 2.759725905447614e-10, 4.563361074756813e-10