Enter a species  (e.g. Al, Fe): Fe
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Fe__MO_147603128437_003
Enter hexagonal lattice constants 'a' and 'c' (m): 2.550247804070556e-10, 4.164750932752199e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 347.6716960685696 GPa
C12 = 85.04822044724826 GPa
  B = 172.5893789876887 GPa