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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 9
BKCSDE 22(9)
September 20, 2001 

Fermi Resonance and Solvent Dependence of the νC=O Frequency Shifts of Raman Spectra: Cyclohexanone and 2-Cyclohexen-1-one
Sang Il Nam, Eun Sun Min, Young Me JungN, Mu Sang Lee
Electrodeposition, NiFe alloy, EQCM, Chronocoulometry.
The carbonyl stretching vibration, νC=O of 2-cyclohexene-1-one, is in Fermi resonance with a combination tone. The amount of Fermi resonance interaction between these two modes is dependent upon the amount of solute/solvent interaction due to hydrogen bonding between the carbonyl oxygen and the solvent proton. The corrected νC=O frequency of 2-cyclohexene-1-one occurs at a lower frequency than the observed νC=O mode of cyclohexanone, possibly caused by expanded conjugation effects. The carbonyl stretching modes of cyclic ketones were also affected by interaction with the ROH/CCl4 mixed solvent system.
989 - 993
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