Enter a species (e.g. Al, Fe): Pb Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: EAM_Dynamo_HoytGarvinWebb_2003_PbCu__MO_119135752160_005 Enter hexagonal lattice constants 'a' and 'c' (m): 3.47198651265353e-10, 5.669730233217572e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -4.059998 Iterations: 70 Function evaluations: 185 Finished calculation C11 = 46.9924836538545 GPa C12 = 33.944372761207724 GPa B = 38.29374305875665 GPa