Published in

Elsevier, Journal of Photochemistry and Photobiology A: Chemistry, 1(204), p. 46-51

DOI: 10.1016/j.jphotochem.2009.02.003

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UV absorption cross-sections of a series of vinyl ethers

This paper is available in a repository.
This paper is available in a repository.

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Abstract

UV absorption cross-sections of six vinyl ethers (ethyl vinyl ether, 1,4-butanediol divinyl ether, isobutyl vinyl ether, cyclohexyl vinyl ether, 4-hydroxybutylvinyl ether and diethyleneglycol divinyl ether) have been determined in the gas phase between 190 and 230 nm at 303 +/- 2 K and pressures up to the corresponding saturation vapor pressures. The main band maxima of the vinyl ethers are below 200 nm with values under 8 x 10(-17) cm(2) molecule(-1). The absorption vanishes above 225 nm with values of (T smaller than 1 x 10(-11) cm(2) molecule(-1). Weak, overlaying vibrational progressions with spacings of 1400 cm(-1) are observed for the alkyl vinyl ethers and are less pronounced for vinyl ethers with an extra O atom. Shifts of the positions and intensities are discussed on the basis of the differences in the chemical structure of this series.