Ca diamond Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Ca__MO_887105884651_002 8.39454267174 Optimization terminated successfully. Current function value: -6.368884 Iterations: 69 Function evaluations: 182 C11 = -189379.034624 +/- 0.007336 GPa C12 = 6.936205 +/- 0.005187 GPa C44 = -142035.988485 +/- 0.001834 GPa B = -63121.720738 +/- 0.004235 GPa