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_PtCo__MO_545073984441_001 Enter hexagonal lattice constants 'a' and 'c' (m): 2.759725797856906e-10, 4.563361453588158e-10