Ni fcc SNAP_LiHuChen_2018_Ni__MO_913991514986_000 3.520425826311112 Optimization terminated successfully. Current function value: -23.122113 Iterations: 103 Function evaluations: 278 C11 = 276.003561 +/- 0.007336 GPa C12 = 159.003666 +/- 0.005187 GPa C44 = 132.014271 +/- 0.001834 GPa B = 198.003631 +/- 0.004235 GPa