Enter a species  (e.g. Al, Fe): Si
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: SW_LeeHwang_2012LDA_Si__MO_517338295712_001
Enter hexagonal lattice constants 'a' and 'c' (m): 3.669511321767216e-10, 3.259126970477307e-10