Abstract
The absorption spectra of solvated electrons have been determined in cis and trans isomers of 2-, 3-, and 4-methylcyclohexanol, cyclopentanol through cyclooctanol, and some other alcohols by microsecond pulse radiolysis at room temperature. With the methylcyclohexanols the wavelength at the absorption maximum, {lambda}{sub max}(e{sub s}{sup {minus}}), of solvated electrons for the cis isomer is different from that for the trans isomer by about 100nm, irrespective of the position where a hydrogen atom on the cyclohexanol ring is substituted for a methyl group. It is inferred from the conformational analysis of the methylcyclohexanols that {lambda}{sub max}(e{sub s}{sup {minus}}) for solvated electrons surrounded by the equatorial OH groups is observed at shorter wavelength than that surrounded by the axial OH groups. The optical spectra due to radicals have also been measured in all alcohols studied except tert-butyl alcohol.
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