Enter a species  (e.g. Al, Fe): C
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Tersoff_LAMMPS_Tersoff_1990_SiC__MO_444207127575_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.070935339612434e-10, 3.382975030154608e-10