Enter a species  (e.g. Al, Fe): Ce
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): 3.968061248383952e-10, 6.479946175853176e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -42.802510
         Iterations: 73
         Function evaluations: 192

Finished calculation

C11 = 1234.0812037647565 GPa
C12 = 330.28034721863906 GPa
  B = 631.5472994006782 GPa