dc.creator Decius, J. C. en_US dc.creator Rauch, John en_US dc.date.accessioned 2006-06-15T12:55:58Z dc.date.available 2006-06-15T12:55:58Z dc.date.issued 1959 en_US dc.identifier 1959-H-8 en_US dc.identifier.uri http://hdl.handle.net/1811/7865 dc.description $^{*}$ Alfred P. Sloan Research Fellow en_US dc.description Author Institution: Department Of Chemistry, Oregon State College en_US dc.description.abstract The familiar selection rules for the Raman spectra of gases are based upon the symmetry properties of the first term in a power series expansion of the induced electric moment as a function of the local electric field. This theory is extended to include the second term in such a power series, i.e. \mu = \alpha F +\frac{\beta} {2}F^{2} \end {equation} where $\mu$ is the induced moment and F is the local field. By considering the transformation properties of $\beta$ for various molecular symmetries and by assessing the relative importance of the terms in F due respectively to the exciting illumination or to neighboring molecules in the condensed state, a large variety of forbidden transitions can be predicted. Depolarization factors Lave been evaluated and related to previous experimental studies of $CO_{2}$, $CS_{2}$, $C_{6}H_{6}$, etc. en_US dc.format.extent 78833 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title HYPERPOLARIZABILITY AND FORBIDDEN RAMAN LINES en_US dc.type article en_US
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