The spin density of the iron atoms in the reactants, transition states and the intermediates systems.
| Reactants | Transition states | Intermediates | |
|---|---|---|---|
| X = F | 3.13 | 3.79 | 2.80 |
| X = Cl | 3.09 | 3.79 | 4.16 |
| X = Br | 3.09 | 3.79 | 4.14 |
| Reactants | Transition states | Intermediates | |
|---|---|---|---|
| X = F | 3.13 | 3.79 | 2.80 |
| X = Cl | 3.09 | 3.79 | 4.16 |
| X = Br | 3.09 | 3.79 | 4.14 |