Abstract
The infrared spectra of 16 para-substituted phenols have been recorded between 1600 and 300 cm<sup>−1</sup>. Assignments have been made for the frequencies of the <i>p</i>-X-C<sub>6</sub>H<sub>4</sub>-OH molecule where × is considered as a point-mass group. These assignments were made taking into account both the Raman spectra reported in the literature and Raman spectra obtained experimentally. Disregarding the four carbon-hydrogen stretching frequencies and the oxygen-hydrogen stretching frequency, 25 of the remaining 28 frequencies of the <i>p</i>-X-C<sub>6</sub>H<sub>4</sub>-OH group have been assigned. Nine of the assigned frequencies were found to be either substituent sensitive or characteristic of para-substituted phenols.
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