Ar diamond LJ_Smoothed_Bernardes_1958_Ar__MO_764178710049_001 8.57188886404 Optimization terminated successfully. Current function value: -0.199976 Iterations: 72 Function evaluations: 191 C11 = 0.392761 +/- 0.007336 GPa C12 = 0.498513 +/- 0.005187 GPa C44 = -0.131506 +/- 0.001834 GPa B = 0.463262 +/- 0.004235 GPa