Barron, L.D. and Johnston, C.J. (1985) Rotational Raman optical activity in chiral symmetric tops. Journal of Raman Spectroscopy, 16(3), pp. 208-218. (doi: 10.1002/jrs.1250160314)
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Abstract
A theory of rotational Raman optical activity in chiral symmetric top molecules is presented. The required rotational transition polarizability and optical activity tensors are calculated using irreducible tensor methods for axially symmetric systems. Selection rules on optically active rotational Raman scattering are found to be basically the same as for conventional rotational Raman scattering, namely ΔJ = 0, ±1, ±2 with ΔK = 0, but in addition to possessing an anisotropic polarizability, the molecule must be chiral and must possess an anisotropy in the electronic optical activity tensors. A measure of this optical activity anisotropy is provided by the dimensionless circular intensity difference in a resolved rotational Raman band or in the envelope of unresolved bands provided the envelope is resolved from the central sharp Rayleigh line. A group polarizability model is used to calculate the rotational Raman optical activity in a chiral (D3) conformation of triphenylborane.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Barron, Professor Laurence |
| Authors: | Barron, L.D., and Johnston, C.J. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of Raman Spectroscopy |
| Publisher: | Wiley |
| ISSN: | 0377-0486 |
| ISSN (Online): | 1097-4555 |
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