Enter a species (e.g. Al, Fe): Xe Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: LJ_Shifted_Bernardes_1958MedCutoff_Xe__MO_849320763277_004 Enter hexagonal lattice constants 'a' and 'c' (m): 4.344827670449861e-10, 7.095215419620568e-10