Enter a species (e.g. Al, Fe): Al Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: EAM_QuinticHermiteSpline_ErcolessiAdams_1994_Al__MO_781138671863_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.818116829896533e-10, 4.875526170649121e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -6.681972 Iterations: 71 Function evaluations: 184 Finished calculation C11 = 142.04132594478412 GPa C12 = 57.817898234755624 GPa B = 85.89237413809845 GPa