Enter a species  (e.g. Al, Fe): C
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_JeongLee_2020_PtC__MO_716623333967_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.753680006653141e-10, 2.451692775278717e-10