Enter a species (e.g. Al, Fe): Cr 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): 2.703727313110768e-10, 4.415256258056811e-10 Calculating isothermal bulk modulus Warning: Maximum number of function evaluations has been exceeded. Finished calculation C11 = 2332.695818176037 GPa C12 = 624.3054635202774 GPa B = 1193.7689150721972 GPa