Ar bcc Morse_QuinticSmoothed_Jelinek_1972_Ar__MO_908645784389_002 4.188581965863705 Optimization terminated successfully. Current function value: -0.180620 Iterations: 79 Function evaluations: 212 C11 = 2.659917 +/- 0.007336 GPa C12 = 3.074780 +/- 0.005187 GPa C44 = 3.078076 +/- 0.001834 GPa B = 2.936492 +/- 0.004235 GPa