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Title: | Torsional selection rules, Raman tensors, and cross sections for degenerate modes of C2H6 |
Authors: | Fernández Sánchez, José María ![]() ![]() |
Keywords: | Organic compounds Librational states Raman spectra Spectral line intensity |
Issue Date: | 8-Feb-2003 |
Publisher: | American Institute of Physics |
Citation: | J. Chem. Phys 118(6): 2657-2672 (2003) |
Abstract: | We analyze the peculiarities induced by the torsional motion on the Raman spectra of the degenerate vibrational bands of ethane. Selection rules for the Raman transitions between the torsionally split energy levels are derived first in terms of symmetry arguments. Then, their associated intensities are calculated with a model for the torsional dependence of the molecular polarizability. New experimental spectra of the Raman degenerate bands of C2H6, some recorded in jet expansions, are also included and analyzed to show the current state of the problem. |
Description: | 16 pages, 12 figures.-- PACS nrs.: 33.20.Tp, 33.15.Mt, 33.70.Fd. |
Publisher version (URL): | http://dx.doi.org/10.1063/1.1535420 |
URI: | http://hdl.handle.net/10261/8922 |
DOI: | http://dx.doi.org/10.1063/1.1535420 |
ISSN: | 0021-9606 |
Appears in Collections: | (CFMAC-IEM) Artículos |
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JCP118-2657.pdf | 316,2 kB | Adobe PDF | ![]() View/Open |
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