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| Peak position | Assignments |
|---|---|
| 725 cm−1 | Vibration of the DNA base adenine |
| 1003 cm−1 | Phenylalanine |
| 1266 cm−1 | CH bending |
| 1300 cm−1 | CH2 twisting |
| 1441 cm−1 | CH2 bending |
| 1651 cm−1 | C = C stretching |
