Enter a species (e.g. Al, Fe): Au Enter a hexagonal lattice type (e.g. hcp): hcp Enter a model name: Morse_EIP_GuthikondaElliott_2011_AuCd__MO_703849496106_002 Enter hexagonal lattice constants 'a' and 'c' (m): 2.874517825343058e-10, 4.6755427921362e-10 Calculating isothermal bulk modulus Warning: Maximum number of function evaluations has been exceeded. Finished calculation C11 = 333.6365103521194 GPa C12 = 83.4310669428072 GPa B = 166.83288141257793 GPa