Na diamond Morse_Shifted_GirifalcoWeizer_1959HighCutoff_Na__MO_587469264453_002 7.42790782452 Warning: Maximum number of function evaluations has been exceeded. C11 = -369882.877129 +/- 0.007336 GPa C12 = 5.018785 +/- 0.005187 GPa C44 = -138705.035541 +/- 0.001834 GPa B = -123290.946520 +/- 0.004235 GPa