Na fcc Morse_Shifted_GirifalcoWeizer_1959MedCutoff_Na__MO_636041334617_002 5.44549977779
Warning: Maximum number of function evaluations has been exceeded.

C11 =     7.550262 +/-     0.007336 GPa
C12 =     5.714556 +/-     0.005187 GPa
C44 =     5.874904 +/-     0.001834 GPa
B   =     6.326458 +/-     0.004235 GPa