| Donor-acceptor interaction | Gas phase | Chloroform | Acetone | Ethanol | Methanol | Acetonitrile | DMSO | Water |
| LPO8→LP*Fe | 12.21 | 12.85 | 13.01 | 13.02 | 13.03 | 13.04 | 13.06 | 13.10 |
| LPO9→LP*Fe | 12.21 | 12.84 | 12.96 | 12.99 | 13.01 | 13.01 | 13.05 | 13.06 |
| LPO19→LP*Fe | 12.21 | 12.84 | 13.01 | 13.02 | 13.03 | 13.03 | 13.02 | 13.06 |
| LPO20→LP*Fe | 12.21 | 12.85 | 12.96 | 12.99 | 13.02 | 13.03 | 13.05 | 13.06 |
| LPO30→LP*Fe | 12.21 | 12.86 | 12.95 | 12.99 | 13.01 | 13.02 | 13.03 | 13.03 |
| LPO31→LP*Fe | 12.21 | 12.84 | 12.96 | 12.99 | 12.99 | 13.01 | 13.02 | 13.08 |