Na fcc Sim_LAMMPS_ReaxFF_BrugnoliMiyataniAkaji_SiCeNaClHO_2023__SM_282799919035_000 7.009360194206238 Optimization terminated successfully. Current function value: -0.135355 Iterations: 80 Function evaluations: 213 C11 = 0.666497 +/- 0.007336 GPa C12 = 0.404578 +/- 0.005187 GPa C44 = 0.404596 +/- 0.001834 GPa B = 0.491884 +/- 0.004235 GPa