Enter a species  (e.g. Al, Fe): Ge
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: EDIP_BelkoGusakovDorozhkin_2010_Ge__MO_129433059219_001
Enter hexagonal lattice constants 'a' and 'c' (m): 3.193905743213828e-10, 5.215724265272496e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -17.250773
         Iterations: 74
         Function evaluations: 196

Finished calculation

C11 = 5089.003594321121 GPa
C12 = 4003.801294766808 GPa
  B = 4365.535394618246 GPa