Enter a species  (e.g. Al, Fe): Cr
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Cr__MO_859700307573_003
Enter hexagonal lattice constants 'a' and 'c' (m): 2.559037981271473e-10, 4.178308949740414e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 403.5589762003097 GPa
C12 = 100.71932696696557 GPa
  B = 201.6658767114136 GPa