Na diamond Morse_Shifted_GirifalcoWeizer_1959LowCutoff_Na__MO_707981543254_002 7.76433050632
Optimization terminated successfully.
         Current function value: -4.890097
         Iterations: 69
         Function evaluations: 180

C11 = -289008.007273 +/-     0.007336 GPa
C12 =     4.107664 +/-     0.005187 GPa
C44 = -108377.418215 +/-     0.001834 GPa
B   = -96333.263982 +/-     0.004235 GPa