Enter a species  (e.g. Al, Fe): Ru
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): 2.83987979287094e-10, 4.637596818682605e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 2569.622452271003 GPa
C12 = 687.7147004356817 GPa
  B = 1315.0172843807889 GPa