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- W1985647574 abstract "We investigate the dependency of the electronic structure of methyl and pyridine substituted anthrylpolyenes on the polyene chain length. A systematic analysis of the experimental absorption spectra reveals a remarkable complexity of the electronic properties of the supermolecules. Mixed absorption bands are observed that cannot be assigned to transitions of the individual molecular components. Ground state semiempirical calculations show that the fragment’s molecular orbital symmetries are partially preserved due to a twisted biplanar molecular structure. A simple physical model is presented which is based on this special geometry, i.e. two partially decoupled π-electronic subsystems are considered. Both the experimental and semiempirical data on the electronic properties are reproduced quantitatively with regard to its dependency on chain length, state mixing and substitution effects." @default.
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- W1985647574 date "1993-05-15" @default.
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- W1985647574 title "Donor–acceptor substituted linear polyenes: Chain length dependent electronic structure of anthrylpolyenes" @default.
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- W1985647574 doi "https://doi.org/10.1063/1.464551" @default.
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