Radical cations of both chlorotrifluoroethylene and bromotrifluorocthylene produced by y-irradiation of solid solutions of halocarbon matrices were detected and identified by ESR. The experimental spin density distributions strongly suggest that these radical cations have a planar structure with the
ESR spectra and structure of the n-butane and n-hexane radical cations
β Scribed by Jih Tzong Wang; Ffrancon Williams
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 453 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
We&resolved ESR spectra of the n-butane and n-hexane radicaI cations have been generated, each spectrum showing a I : 2 : 1 triplet and a detarIed substructure. The resufts are mterpreted in terms of an ag singly occupied MO (oC__C UC-H,) which is delocabzed over the extended carbon chain (C2b symmetry) and two axial hydrogens.
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## Abstract The didehydro[n]annulenes **1** (n = 14), **2** (n = 18), and **3** (n = 22) are oxidized to radical cations. Reduction of the title compounds leads to radical anions and, in the case of **2** and **3**, to radical trianions. The hyperfine data of the paramagnetic derivatives are ration
## Abstract A study of the vibrational spectrum of gaseous __n__βbutane was recently presented in this journal [J. R. Durig __et al.__, __J. Raman Spectrosc.__ 22, 683 (1991)]. From the temperature dependence of the Raman spectrum, the enthalpy difference between the __trans__ and __gauche__ confor