Hyperconjugative interactions in benzyls studied by means of ionization energy and electron affinity measurements.
作者： G. Distefano , A. Modelli , M. Guerra , D. Jones , S. Rossini
DOI: 10.1016/0022-2860(88)80154-6
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摘要: Abstract The UV photoelectron (UPS) and electron transmission spectra (ETS) of a series benzyls (C 6 H 5 CH 2 X where X = C(CH 3 ) (1), Si(CH (2), N(CH (3), OH (4), SH (5), OCH (6), SCH (7), F (8), Cl (9), Br (10), I (11)) have been recorded to investigate the extent hyperconjugative interactions between π-ring orbitals σ-orbitals localized at CX bond. results obtained indicate that such are greater for third row derivatives, likely because smaller π/σ π * /σ energy gaps. Overlap final state effects probably responsible some peculiarities in spectra.
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