The Raman spectra of organic compounds
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The Raman spectra of methyl alcohol, ethyl alcohol,n-propyl alcohol andn-butyl alcohol have been recorded using λ 2537 excitation. 35, 49, 45 and 51 Raman lines respectively have been identified in the spectra of these alcohols, in addition to the rotational ‘wings’. In each case, a large number of additional lines have been recorded. The existence of Raman lines with frequency shifts greater than 3800 cm.−1, first reported by Bolla in the spectrum of ethyl alcohol, has been confirmed. Similar high-frequency shift Raman lines have also been recorded in the spectrum of methyl alcohol. They have been assigned as combinations. Proper assignments have been given for the prominent Raman lines appearing in the spectra of these alcohols.
KeywordsRaman Spectrum Frequency Shift Ethyl Alcohol Quinan Raman Line
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