Enter a species  (e.g. Al, Fe): Zn
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Tersoff_LAMMPS_ErhartJuslinGoy_2006_ZnO__MO_616776018688_004
Enter hexagonal lattice constants 'a' and 'c' (m): 2.700186157759486e-10, 4.398343196836111e-10