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| Peak Wavelength (Approximate) | Assignment |
|---|---|
| 2,840 (crystalline) 2,850 (liquid) | CH2 symmetric stretch |
| 2,870 (crystalline) 2,880 (liquid) | CH2 antisymmetric stretch |
| 2,930 | CH2 Fermi resonance |
| 2,952 | CH2 antisymmetric (out of plane) |
| 2,964 | CH2 antisymmetric (in plane) |
| 2,880 to 2,901 | CH2 symmetric |
| 2,870 (very broad) | CH2 Fermi resonance |
