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Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/10990

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1979-TB-11.jpg 97.41Kb JPEG image Thumbnail of THE NATURE OF PHOTOCHEMICAL ISOMERIZATION IN $ClO_{2}$

dc.creator Gole, James L. en_US
dc.creator Hanner, Alfred en_US
dc.creator Pace, S. A. en_US
dc.date.accessioned 2006-06-15T14:16:24Z
dc.date.available 2006-06-15T14:16:24Z
dc.date.issued 1979 en_US
dc.identifier 1979-TB-11 en_US
dc.identifier.uri http://hdl.handle.net/1811/10990
dc.description $^{1}$ A. Arkell and J. Schwager, J. Am. Chem. Soc. 89, 5999 (1967). en_US
dc.description Author Institution: en_US
dc.description.abstract The photochemical isomerization of the symmetrical 0C10 isomer to produce unsymmetrical C100 will be discussed. Matrix isolation spectroscopic $studies^{1}$ of this isomerization process will be interpreted to indicate the possible presence of excited states in rare gas matrices. Preliminary gas phase studies will be presented. The results of extensive theoretical calculations indicate that the isomerization process corresponds to an initial sequence \begin{equation} OC10 \tilde{X}^{2} B_{1} \stackrel{hv}{\rightarrow}OC10 \tilde{A}^{2} B_{2} \end{equation} where the allowed nature of the transition (1) is the result of a Herzberg-Teller vibrionic coupling between the $A^{2}B_{2}$ and $B^{2}A_{1}$ states of 0C10 through the asymmetric stretch. Isomerization takes place on the $^{2}B_{2}$ potential resulting in the sequence \begin{equation} OC10 \tilde{A}^{2}B_{2} \rightarrow C100 \tilde{A}^{2}A^{\prime\prime} \end{equation} where a low-lying excited state of C100 1s formed. The $^{2}A^{\prime}$ state deactivates to vibrational levels $(v_{3} \geq 4, 0-0$ stretch) of the ground $^{2}A^{\prime}$ state of C100 which decay very slowly and can be monitored with infrared absorption $spectroscopy.^{1}$ en_US
dc.format.extent 99755 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.type article en_US