Enter a species  (e.g. Al, Fe): Al
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Al__MO_140175748626_003
Enter hexagonal lattice constants 'a' and 'c' (m): 2.851223596122307e-10, 4.657776683529579e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -5.846569
         Iterations: 73
         Function evaluations: 192

Finished calculation

C11 = 148.29898115479236 GPa
C12 = 36.137032651307194 GPa
  B = 73.52434881913558 GPa