Vibrational Spectra and Thermodynamic Functions of the Three Isomeric Methoxyphenols

Infrared absorption spectra in the range of 250‐4000 cm −1 of the three isomeric methoxyphenols are reported. The para methoxyphenol is in the solid phase at room temperature and its spectrum has been investigated in the range of 700‐4000 cm −1 in chloroform solution in addition to the spectrum recorded for its nujol mull. Under the usual approximation of the two substituent groups taken as point masses the observed bands have been assigned to different modes of vibration. These assignments have been used to calculate the molar thermodynamic functions for these compounds.