Electron spin resonance spectra of tri-, tetra- and penta-alkoxybenzene radical cations

Abstract

Radical cations of tri-, tetra- and pentaalkoxybenzenes have been generated in a flow system by oxidation of the ethers with cerium(IV) in aqueous sulphuric acid solution. The observed splitting patterns have been confirmed by calculations using the McLachlan SCF method, and have been interpreted in terms of the symmetry properties of the odd electron molecular orbitals.