Enter a species  (e.g. Al, Fe): Nb
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_LeeBaskesKim_2001_Nb__MO_802302521552_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.971417036583457e-10, 4.73538448689086e-10