Enter a species (e.g. Al, Fe): W 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): 3.15110265312476e-10, 5.14583168093795e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -114.312228 Iterations: 72 Function evaluations: 188 Finished calculation C11 = 6581.347932445216 GPa C12 = 1761.3832997468246 GPa B = 3368.0381773129548 GPa