Enter a species  (e.g. Al, Fe): Zr
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: EAM_Dynamo_MendelevAckland_2007_Zr__MO_537826574817_000
Enter hexagonal lattice constants 'a' and 'c' (m): 3.234055435585231e-10, 5.167647604979563e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -13.269418
         Iterations: 74
         Function evaluations: 190

Finished calculation

C11 = 153.7652691432695 GPa
C12 = 72.37423827949085 GPa
  B = 99.5045819007504 GPa