Enter a species  (e.g. Al, Fe): Fe
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: LJ_ElliottAkerson_2015_Universal__MO_959249795837_003
Enter hexagonal lattice constants 'a' and 'c' (m): 2.567563887791086e-10, 4.192897922771737e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -19.725513
         Iterations: 72
         Function evaluations: 188

Finished calculation

C11 = 2099.298467471052 GPa
C12 = 561.8406941040449 GPa
  B = 1074.326618559714 GPa