Enter a species (e.g. Al, Fe): Os 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): 2.800983749862733e-10, 4.574078581972009e-10 Calculating isothermal bulk modulus Warning: Maximum number of function evaluations has been exceeded. Finished calculation C11 = 5819.261989957031 GPa C12 = 1557.4241545601446 GPa B = 2978.0367663591064 GPa