Enter a species (e.g. Al, Fe): In 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): 2.762076811648463e-10, 4.510542477377493e-10 Calculating isothermal bulk modulus Optimization terminated successfully. Current function value: -13.511747 Iterations: 73 Function evaluations: 191 Finished calculation C11 = 1155.0849930079405 GPa C12 = 309.1384100434613 GPa B = 591.1206043649543 GPa