Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 609 - 616 (1988)
Update date:2022-08-17
Topics:
Chandra, Harish
Keeble, David J.
Symons, Martyn C. R.
Exposure of dilute solutions containing nitrosobenzene in trichlorofluoromethane to 60Co γ-rays at 77 K gave the corresponding radical cation, characterised by e.s.r. spectroscopy.The results confirm the interpretation of liquid-phase data assigned to this cation, which showed that loss is from an in-plane ?-orbital localised on nitrogen and oxygen, rather than from the aromatic ?-system.However, solutions containing the t-butyl derivative in equilibrium with its dimer, (Me3CNO)2, gave primarily the dimer cation, (Me3CNO)2+, with possible traces of the monomer cation.The e.s.r. data for the latter resemble those for the nitrosobenzene cation, whereas results for the dimer cation suggest that loss is from a ?-type orbital with very low spin density on the two equivalent nitrogen atoms.
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