O sc Sim_LAMMPS_ReaxFF_XiaoShiHao_2017_PHOC__SM_424780295507_000 3.002244919538498 Warning: Maximum number of iterations has been exceeded. C11 = 8.645220 +/- 0.007336 GPa C12 = -0.992229 +/- 0.005187 GPa C44 = -0.992217 +/- 0.001834 GPa B = 2.220254 +/- 0.004235 GPa