Enter a species  (e.g. Al, Fe): Sn
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): 2.703727317892886e-10, 4.415256250454423e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 2884.8780669062257 GPa
C12 = 772.0874526694193 GPa
  B = 1476.350990748355 GPa