Enter a species  (e.g. Al, Fe): Sr
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Sr__MO_964297938209_003
Enter hexagonal lattice constants 'a' and 'c' (m): 4.299903002083525e-10, 7.019652448073698e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 24.704787491730443 GPa
C12 = 5.969291641799177 GPa
  B = 12.214456925109598 GPa