Ar fcc Morse_QuinticSmoothed_Jelinek_1972_Ar__MO_908645784389_001 5.25286567211 Optimization terminated successfully. Current function value: -0.374630 Iterations: 71 Function evaluations: 187 C11 = 4.368572 +/- 0.007336 GPa C12 = 2.551877 +/- 0.005187 GPa C44 = 2.555693 +/- 0.001834 GPa B = 3.157442 +/- 0.004235 GPa