Raman spectroscopic evidence for cooperative C-H...O interactions in the Acetaldehyde-CO2 complex
In carbonyl compounds having a hydrogen atom attached to the alpha-carbon or directly to the carbonyl carbon, our recent ab initio and solvation studies have predicted the presence of a weak C-H...O interaction with CO2. This intermolecular interaction acts cooperatively with the Lewis acid-Lewis ba...
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| Veröffentlicht in: | Journal of the American Chemical Society 2002-12, Vol.124 (50), p.14818-14819 |
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| container_end_page | 14819 |
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| container_issue | 50 |
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| container_title | Journal of the American Chemical Society |
| container_volume | 124 |
| creator | BLATCHFORD, Marc A RAVEENDRAN, Poovathinthodiyil WALLEN, Scott L |
| description | In carbonyl compounds having a hydrogen atom attached to the alpha-carbon or directly to the carbonyl carbon, our recent ab initio and solvation studies have predicted the presence of a weak C-H...O interaction with CO2. This intermolecular interaction acts cooperatively with the Lewis acid-Lewis base interaction that exists between CO2 and the carbonyl group. This communication provides the first experimental evidence for this cooperative interaction in the acetaldehyde-CO2 complex using Raman spectroscopy at 25.0 degrees C in the gas phase. The implications of these interactions in the solvation of carbonyl-based CO2-philes are also discussed. |
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This intermolecular interaction acts cooperatively with the Lewis acid-Lewis base interaction that exists between CO2 and the carbonyl group. This communication provides the first experimental evidence for this cooperative interaction in the acetaldehyde-CO2 complex using Raman spectroscopy at 25.0 degrees C in the gas phase. 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| ispartof | Journal of the American Chemical Society, 2002-12, Vol.124 (50), p.14818-14819 |
| issn | 0002-7863 1520-5126 |
| language | eng |
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| source | ACS Publications |
| subjects | Atomic and molecular physics Exact sciences and technology Molecular properties and interactions with photons Molecular spectra Physics Raman and rayleigh spectra (including optical scattering) |
| title | Raman spectroscopic evidence for cooperative C-H...O interactions in the Acetaldehyde-CO2 complex |
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