density matrix: [[[[ 0.48051801 -0.00059489  0.00000482 -0.00058151 -0.00000012]
   [-0.00059489  0.48106558  0.00000231  0.00070567 -0.00001428]
   [ 0.00000482  0.00000231  0.22376445  0.00000211  0.00000001]
   [-0.00058151  0.00070567  0.00000211  0.48455255  0.00001417]
   [-0.00000012 -0.00001428  0.00000001  0.00001417  0.22394771]]]]
overlap matrix: [[[[ 0.88283203  0.         -0.          0.         -0.        ]
   [ 0.          0.88283203 -0.          0.          0.        ]
   [-0.         -0.          0.48099646 -0.          0.        ]
   [ 0.          0.         -0.          0.88283204 -0.        ]
   [-0.          0.          0.         -0.          0.48082534]]]]