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Dissociation energy according to the model shown in Scheme 5.
| Conjugate of TFA with | E (eV) | E 337 (eV) | E 355 (eV) |
|---|---|---|---|
| Benzoic acid | 3.40 | 3.68 | 3.50 |
| 2,5-dihydroxybenzoic acid | 3.86 | ||
| 4-methoxybenzoic acid | 3.90 | ||
| 4-nitrobenzoic acid | 3.26 | ||
| 4-N,N-dimethylaminobenzoic acid | 4.07 |
