Enter a species  (e.g. Al, Fe): Kr
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: LJ_Shifted_Bernardes_1958MedCutoff_Kr__MO_984281096460_004
Enter hexagonal lattice constants 'a' and 'c' (m): 3.984578128620646e-10, 6.50691868760347e-10