Barron, L.D., Hecht, L. and Polavarapu, P.L. (1989) Polarized Raman optical activity in methyl antisymmetric deformations: influence of heteroatom Rydberg orbitals. Chemical Physics Letters, 154(3), pp. 251-254. (doi: 10.1016/0009-2614(89)87458-5)
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Abstract
Large deviations from the factor of 2 in the ratio of polarized to depolarized Raman optical activity intensities in methyl antisymmetric deformations in 1-phenylethanol and 1-phenylethylthiol are reported. It is suggested that these deviations might originate in large electric quadrupole contributions induced by excited-state interactions involving heteroatom Rydberg p orbitals and orbitals on other parts of the molecule. Such interactions appear to undermine the bond polarizability theory of Raman intensities.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Hecht, Dr Lutz and Barron, Professor Laurence |
| Authors: | Barron, L.D., Hecht, L., and Polavarapu, P.L. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Chemical Physics Letters |
| Publisher: | Elsevier Science Publishers B.V. |
| ISSN: | 0009-2614 |
| ISSN (Online): | 1873-4448 |
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