Enter a species  (e.g. Al, Fe): Pm
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): 3.870804755705248e-10, 6.32112382204551e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -53.981762
         Iterations: 75
         Function evaluations: 198

Finished calculation

C11 = 1676.6910452348232 GPa
C12 = 448.737171885563 GPa
  B = 858.0551296686497 GPa