density matrix: [[[[ 0.54239242 -0.00069107  0.00000946 -0.00067639 -0.00000019]
   [-0.00069107  0.54295547  0.00000486  0.00082855 -0.00002492]
   [ 0.00000946  0.00000486  0.57155757  0.00000454  0.00000002]
   [-0.00067639  0.00082855  0.00000454  0.54666342  0.00002474]
   [-0.00000019 -0.00002492  0.00000002  0.00002474  0.57284179]]]]
overlap matrix: [[[[ 1. -0.  0.  0.  0.]
   [-0.  1. -0. -0.  0.]
   [ 0. -0.  1. -0. -0.]
   [ 0. -0. -0.  1.  0.]
   [ 0.  0. -0.  0.  1.]]]]