Enter a species  (e.g. Al, Fe): Pb
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Pb__MO_370271093517_002
Enter hexagonal lattice constants 'a' and 'c' (m): 3.490093038959825e-10, 5.698577751071282e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 86.32020780150883 GPa
C12 = 21.684726769041916 GPa
  B = 43.22988711319755 GPa