Enter a species  (e.g. Al, Fe): Nb
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: Sim_LAMMPS_ADP_SmirnovaStarikov_2017_ZrNb__SM_937902197407_000
Enter hexagonal lattice constants 'a' and 'c' (m): 2.901207425850182e-10, 4.730150186809249e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -14.626214
         Iterations: 72
         Function evaluations: 190

Finished calculation

C11 = 287.4056287408818 GPa
C12 = 186.4315048354052 GPa
  B = 220.08954613723074 GPa