As fcc Tersoff_LAMMPS_AlbeNordlundNord_2002_GaAs__MO_799020228312_002 4.12642760575 Optimization terminated successfully. Current function value: -9.882653 Iterations: 71 Function evaluations: 188 C11 = 87.911809 +/- 0.007336 GPa C12 = 87.737967 +/- 0.005187 GPa C44 = 11.375612 +/- 0.001834 GPa B = 87.795914 +/- 0.004235 GPa