Enter a species  (e.g. Al, Fe): S
Enter a hexagonal lattice type (e.g. hcp): hcp
Enter a model name: SW_MX2_WenShirodkarPlechac_2017_MoS__MO_201919462778_001
Enter hexagonal lattice constants 'a' and 'c' (m): 3.189279998891289e-10, 5.208072429431838e-10

Calculating isothermal bulk modulus

Warning: Maximum number of function evaluations has been exceeded.

Finished calculation

C11 = 50.55074571640824 GPa
C12 = 14.286053572272381 GPa
  B = 26.374284286984334 GPa