Ra fcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 6.0786534547805875 Optimization terminated successfully. Current function value: -56.942380 Iterations: 93 Function evaluations: 249 C11 = 463.857783 +/- 0.007336 GPa C12 = 264.651282 +/- 0.005187 GPa C44 = 265.201347 +/- 0.001834 GPa B = 331.053449 +/- 0.004235 GPa