FT‐IR and FT‐Raman spectra of orthanilic acid were recorded and analyzed. Surface‐enhanced Raman scattering (SERS) spectrum was recorded on a silver electrode surface. The vibrational wavenumbers were computed by the ab initio method using HF/6–31G* basis and they were found to be in good agreement with the experimental values. Potential dependence of the SERS profile was studied. The profile was prominent at electrode potentials of −0.3 and −0.8 V. The selective enhancement of different bands showed a change in orientation of the molecule on the silver surface.
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Anto et al. (2006) studied this question.
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