Enter a species  (e.g. Al, Fe): Ar
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: LJ_Truncated_Nguyen_2005_Ar__MO_398194508715_001
Enter hexagonal lattice constants 'a' and 'c' (m): 3.710166769193013e-10, 6.058404376941543e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 38.70795703254865 GPa
C12 = 5.226711056614582 GPa
  B = 16.38712638192594 GPa