Electronic states of some simple ethers studied by vacuum ultraviolet absorption and near-threshold electron energy-loss spectroscopy

Lisa J. Bremner, Martin G. Curtis, Isobel C. Walker

Research output: Contribution to journalArticle

Abstract

Vacuum ultraviolet absorption spectra (250-105 nm, 5-11.8 eV) and near-threshold electron energy-loss spectra (0 eV-Ei,1) have been recorded for dimethyl ether (1), diethyl ether (2), tetrahydrofuran (3), 1,4-dioxane (4) and 3,4-dihydropyran (5). For the saturated compounds 1-4 the low-lying electronically excited states are predominantly Rydberg in nature, selectively mixed with valence-excited states. Also, the lowest triplet state in each of the saturated molecules is within 0.5 eV of the 1n O 3s state. The spectra of 5 resemble those of unsaturated hydrocarbons; its lowest triplet state (3pp*) is ca. 4.2 eV.

Original languageEnglish
Pages (from-to)1049-1055
Number of pages7
JournalJournal of the Chemical Society, Faraday Transactions
Volume87
Issue number8
DOIs
Publication statusPublished - 1991

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