AI Article Synopsis
- Two-dimensional infrared (2D IR) spectroscopy was utilized to analyze the vibrational properties of three quinones: benzoquinone, naphthoquinone, and anthraquinone, focusing on the 1560-1710 cm(-1) spectral range.
- The study noted that cross peaks in the 2D IR spectra indicate coupling between different vibrational modes, suggesting complex interactions within these molecules.
- The research reported specific values for diagonal and off-diagonal anharmonicities, ranging from 4.6 to 17.4 cm(-1), and highlighted the notable vibrational coupling between carbonyl and ring stretching vibrations in each quinone.
Article Abstract
Two-dimensional infrared (2D IR) spectroscopy was used to study the vibrational modes of three quinones--benzoquinone, naphthoquinone, and anthraquinone. The vibrations of interest were in the spectral range of 1560-1710 cm(-1), corresponding to the in-plane carbonyl and ring stretching vibrations. Coupling between the vibrational modes is indicated by the cross peaks in the 2D IR spectra. The diagonal and off-diagonal anharmonicities range from 4.6 to 17.4 cm(-1) for the quinone series. In addition, there is significant vibrational coupling between the in-plane carbonyl and ring stretching vibrations. The diagonal anharmonicity, off-diagonal anharmonicity, and vibrational coupling constants are reported for benzoquinone, naphthoquinone, and anthraquinone.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1021/jp506900n | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!