Enter a species  (e.g. Al, Fe): Cm
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): 3.287266054946974e-10, 5.368190041134056e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -31.469763
         Iterations: 69
         Function evaluations: 178

Finished calculation

C11 = 1595.8736085796193 GPa
C12 = 427.10781368654625 GPa
  B = 816.6964119842371 GPa