Ca bcc Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Ca__MO_887105884651_002 4.457773193717003 Optimization terminated successfully. Current function value: -3.403232 Iterations: 72 Function evaluations: 191 C11 = 19.039480 +/- 0.007336 GPa C12 = 15.642910 +/- 0.005187 GPa C44 = 15.712028 +/- 0.001834 GPa B = 16.775100 +/- 0.004235 GPa