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HIGH RESOLUTION ELECTRONIC SPECTROSCOPY OF METHYL ANISOLES.$^{a}$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/21315

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Title: HIGH RESOLUTION ELECTRONIC SPECTROSCOPY OF METHYL ANISOLES.$^{a}$
Creators: Alvarez-Valtierra, Leonardo; Yi, John T.; Pratt, D. W.
Issue Date: 2004
Abstract: Rotationally resolved $S_{1} \leftarrow S_{0}$ fluorescence excitation spectra of 2-methyl anisole (2MA) and 3-methyl anisole (3MA) have been obtained in the environment of a supersonic jet environment. The derived values of the rotational constants show that 2MA itself has a planar heavy-atom structure with trans-disposed methoxy groups in both electronic states. No evidence for any other conformational isomers was found. Also, 3MA itself has a planar heavy-atom structure but with trans- and cis-disposed methoxy groups in both electronic states. Even though both molecules exhibit hindered internal methyl rotation, the spectrum of 2MA shows only a single band, while 3MA shows multiple sub-bands within each band. These spectral features will be discussed further in detail.
URI: http://hdl.handle.net/1811/21315
Other Identifiers: 2004-RG-05
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