Ar diamond Morse_Shifted_Jelinek_1972_Ar__MO_831902330215_002 8.52219218016 Optimization terminated successfully. Current function value: -0.254719 Iterations: 71 Function evaluations: 185 C11 = 0.409602 +/- 0.007336 GPa C12 = 0.536491 +/- 0.005187 GPa C44 = -0.156039 +/- 0.001834 GPa B = 0.494195 +/- 0.004235 GPa