Na diamond Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Na__MO_636041334617_002 7.47856007516
Optimization terminated successfully.
         Current function value: -5.567829
         Iterations: 67
         Function evaluations: 176

C11 = -356251.471194 +/-     0.007336 GPa
C12 =     4.903583 +/-     0.005187 GPa
C44 = -133593.319838 +/-     0.001834 GPa
B   = -118747.221342 +/-     0.004235 GPa