--- impurity 0 with degeneracy 4 ---
  Tr(Sigma*G)/2= 78.2029773122
  <s_oo>= 26.2805431005
  sum_i Sigma_oo(i)*n(i)/2= 81.6739335988
  <Sigma_oo>*n/2= 81.7938079485
:EORB   -1.05568482802