dπ–pπ Interaction in trimethylsilyl-substituted naphthalenes. Part II. Electron spin resonance studies
Abstract
Trimethylsilyl-substituted naphthalenes have been studied by the use of e.s.r. spectroscopy and theoretical calculations carried out on the results. Molecular orbital calculations of the effect of SiMe3 and CMe3 groups on the energy levels show, by comparison with the experimental results, that d orbital participation by the silicon atom is operating to give dπ–pπ conjugation.
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