Enter a species  (e.g. Al, Fe): Cs
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): 4.746112879119253e-10, 7.750524504225184e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 116.9179231808295 GPa
C12 = 31.291047090031327 GPa
  B = 59.83333912029739 GPa