Enter a species (e.g. Al, Fe): Fe Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Sim_LAMMPS_MEAM_AsadiZaeemNouranian_2015_Fe__SM_042630680993_000 Enter hexagonal lattice constants 'a' and 'c' (m): 2.556907404564097e-10, 4.132067229375407e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -8.522642 Iterations: 73 Function evaluations: 192 Finished calculation C11 = 255.42213123058787 GPa C12 = 116.46357481019918 GPa B = 162.78309361699542 GPa