As fcc Tersoff_LAMMPS_AlbeNordlundNord_2002_GaAs__MO_799020228312_003 4.1264276057481775 Optimization terminated successfully. Current function value: -9.882653 Iterations: 71 Function evaluations: 186 C11 = 87.911812 +/- 0.007336 GPa C12 = 87.737969 +/- 0.005187 GPa C44 = 11.375614 +/- 0.001834 GPa B = 87.795916 +/- 0.004235 GPa