Enter a species  (e.g. Al, Fe): Zn
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): 2.373050984530488e-10, 3.875253322959656e-10

Calculating isothermal bulk modulus

Optimization terminated successfully.
         Current function value: -3.190037
         Iterations: 72
         Function evaluations: 186

Finished calculation

C11 = 430.01545855009476 GPa
C12 = 115.08615391996268 GPa
  B = 220.06258879667337 GPa