Enter a species  (e.g. Al, Fe): Ta
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): 3.306719517452418e-10, 5.3999580427023e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -66.673710
         Iterations: 71
         Function evaluations: 182

Finished calculation

C11 = 3321.791904789272 GPa
C12 = 889.0198286813289 GPa
  B = 1699.943854050643 GPa