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Characterization of the temporary π anion states of 1,4-cyclohexadiene, γ-pyran, 1,4-dioxin and γ-pyrone by electron transmission spectroscopy

✍ Scribed by Alberto Modelli; Derek Jones; Sandra Rossini; Giuseppe Distefano

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 353 KB
Volume: 123
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(86)80024-0

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✦ Synopsis

The electron affinity trends observed for the title compounds indicate that in 1.4-cyclohexadiene the A, anion state, arismg from electron capture into the out-of-phase combination of the empty ethenic v* MOs, lies at lower energy than the B,, anion state, correlated with the in-phase combination.

Implications on the assignment of the parabenzoquinone ET spectrum are also discussed.

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A study of the order of the π* temporary

A study of the order of the π* temporary anion states of 1,4-cyclohexadiene by electron scattering

✍ T.M. Stephen; P.D. Burrow 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 500 KB

The symmetries of the two low-lying z\* temporary anion states of 1 $cyclohexadiene are studied by electron energy loss and angular distribution measurements. Analysis of the vibrational modes excited by the resonances and the angular distribution of electrons exciting a totally symmetric vibrationa