As diamond Sim_LAMMPS_BOP_MurdickZhouWadley_2006_GaAs__SM_104202807866_000 5.973438501358032 Optimization terminated successfully. Current function value: -20.009545 Iterations: 1064 Function evaluations: 3169 C11 = 57.924427 +/- 0.007336 GPa C12 = 33.954117 +/- 0.005187 GPa C44 = -24.915348 +/- 0.001834 GPa B = 41.944220 +/- 0.004235 GPa