Enter a species  (e.g. Al, Fe): Ga
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Tersoff_LAMMPS_AlbeNordlundNord_2002_GaAs__MO_799020228312_003
Enter hexagonal lattice constants 'a' and 'c' (m): 2.849992304967935e-10, 4.766709836652685e-10