Enter a species (e.g. Al, Fe): Ag 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): 2.820437253254663e-10, 4.605846541850493e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -27.475343 Iterations: 77 Function evaluations: 199 Finished calculation C11 = 2205.990630687905 GPa C12 = 590.3950482942238 GPa B = 1128.9269090921175 GPa