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Updated: May 20, 2026

Raman and IR Spectroelectrochemical Methods as Tools to Analyze Conjugated Organic Compounds
Published on: October 12, 2018
Infrared spectroscopy of copper-resveratrol complexes: a joint experimental and theoretical study
B Chiavarino1, M E Crestoni, S Fornarini
1Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza - Università di Roma, Piazzale A. Moro 5, 00185 Rome, Italy.
Abstract:
Infrared multiple-photon dissociation spectroscopy has been used to record vibrational spectra of charged copper-resveratrol complexes in the 3500-3700 cm(-1) and 1100-1900 cm(-1) regions. Minimum energy structures have been determined by density functional theory calculations using plane waves and pseudopotentials. In particular, the copper(I)-resveratrol complex presents a tetra-coordinated metal bound with two carbon atoms of the alkenyl moiety and two closest carbons of the adjoining resorcinol ring. For these geometries vibrational spectra have been calculated by using linear response theory. The good agreement between experimental and calculated IR spectra for the selected species confirms the overall reliability of the proposed geometries.
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