Compounds

d(Fe-O1)a

d(Fe-O2)a

Δb

Energy interactionc

20

2.336

3.105

0.77

−7.14

21

2.319

2.910

0.60

−7.45

22

2.359

3.164

0.80

−7.08

23

2.397

3.113

0.71

−6.57

24

2.351

2.984

0.63

−5.45

25

2.544

2.737

1.07

−7.21

26

2.387

2.890

0.50

−6.14

27

2.350

3.160

1.00

−5.12

28

2.395

2.583

0.19

−6.68

29

2.480

2.660

0.18

−5.33

30

2.510

2.620

0.11

−7.31

31

2.389

3.139

0.75

−5.92

32

2.511

3.600

1.09

−5.77

33

2.524

3.635

1.11

−5.39

34

2.458

3.483

1.03

−5.83

35

2.540

3.670

1.13

−6.42