Enter a species (e.g. Al, Fe): Am 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): 3.501232426518179e-10, 5.71760259083417e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -6.443925 Iterations: 72 Function evaluations: 188 Finished calculation C11 = 270.45656911663974 GPa C12 = 72.38299805817105 GPa B = 138.40752174432728 GPa