C diamond hNN_WenTadmor_2019Grx_C__MO_421038499185_001 3.6569004178047204 Optimization terminated successfully. Current function value: -61.494434 Iterations: 73 Function evaluations: 190 C11 = 1506.904144 +/- 0.007336 GPa C12 = 1184.554008 +/- 0.005187 GPa C44 = 123.651868 +/- 0.001834 GPa B = 1292.004053 +/- 0.004235 GPa