Enter a species  (e.g. Al, Fe): Si
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: MEAM_LAMMPS_CuiGaoCui_2012_LiSi__MO_557492625287_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.799449931216786e-10, 4.540830290373395e-10