Atoms

O(1)

O(2)

O(3)

s

Cu(1)

4 × 1.9405

2.7733

2.00

Cu(2)

2 × 1.9414

2 × 1.9163

2.00

Cu(3)

2 × 1.9463

2 × 1.9379

1.94

Cu(4)*) or Ge4+

6 × 1.8938

3.33 4.00

O(1)

2.744

2.753

3.400

O(2)

2.734

Cu(1)?O?Cu(1)

180.0

Cu(1)?O?Cu(2)

139.2

Cu(2)?O?Cu(3)

82.5

Cu(2)?O?Cu(4)

162.2

Cu(3)?O?Cu(3)

114.3

O?Cu(2)?O

122.1

122.8