Ca bcc LJ_ElliottAkerson_2015_Universal__MO_959249795837_003 3.874411970376968 Optimization terminated successfully. Current function value: -2.112234 Iterations: 71 Function evaluations: 186 C11 = 41.276464 +/- 0.007336 GPa C12 = 50.396497 +/- 0.005187 GPa C44 = 50.452067 +/- 0.001834 GPa B = 47.356486 +/- 0.004235 GPa