Enter a species (e.g. Al, Fe): In Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: MEAM_LAMMPS_DoShinLee_2009_GaInN__MO_815057898706_002 Enter hexagonal lattice constants 'a' and 'c' (m): 3.329526591300969e-10, 5.437094155810376e-10