♦ C=O tension: 1810 - 1775 cm -1
♦ C-Cl tension: intense band 730 - 550 cm -1
Aromatic alkanoyl halides exhibit two C=O strain bands by Fermi resonance.
♦ C=O tension: 1810 - 1775 cm -1
♦ C-Cl tension: intense band 730 - 550 cm -1
Aromatic alkanoyl halides exhibit two C=O strain bands by Fermi resonance.