Si diamond Sim_LAMMPS_ReaxFF_BrugnoliMiyataniAkaji_SiCeNaClHO_2023__SM_282799919035_000 5.355957195162773 Optimization terminated successfully. Current function value: -36.367077 Iterations: 75 Function evaluations: 195 C11 = 139.930172 +/- 0.007336 GPa C12 = 67.488024 +/- 0.005187 GPa C44 = 46.096100 +/- 0.001834 GPa B = 91.635407 +/- 0.004235 GPa