Enter a species  (e.g. Al, Fe): Al
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Al__MO_411898953661_003
Enter hexagonal lattice constants 'a' and 'c' (m): 2.869943103860219e-10, 4.693266631133125e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -5.403543
         Iterations: 74
         Function evaluations: 195

Finished calculation

C11 = 152.83725043990447 GPa
C12 = 37.56703671432266 GPa
  B = 75.9904412895166 GPa