As sc Sim_LAMMPS_BOP_MurdickZhouWadley_2006_GaAs__SM_104202807866_000 2.6825046837329873 Optimization terminated successfully. Current function value: -5.733660 Iterations: 71 Function evaluations: 187 C11 = 279.372931 +/- 0.007336 GPa C12 = 94.368955 +/- 0.005187 GPa C44 = 110.117221 +/- 0.001834 GPa B = 156.036947 +/- 0.004235 GPa