@article{AbdelHalim1988Therm-9997,
  year={1988},
  doi={10.1021/j100326a017},
  title={Thermal cis-trans isomerization of solvatochromic merocyanines : linear correlations between solvent polarity and adiabatic and diabatic transition energies},
  number={15},
  volume={92},
  issn={0022-3654},
  journal={Journal of Physical Chemistry},
  pages={4324--4328},
  author={Abdel-Halim, Shakir T. and Abdel-Kader, Mahmoud H. and Steiner, Ulrich}
}

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    <dc:contributor>Abdel-Halim, Shakir T.</dc:contributor>
    <dcterms:issued>1988</dcterms:issued>
    <dcterms:abstract xml:lang="eng">The correlation between solvatochromy and the solvent-polarity-dependent rate constant k ct of thermal cis-trans isomerization (solvatokinetic behavior) has been investigated for a stilbazolium-type merocyanine and an amphiphilic analogue in a polarity series of eight neat solvents (protic and aprotic). At room temperature k ct varies over 7 orders of magnitude, decreasing with increasing solvent polarity. It has been demonstrated that the first transition energy ∆E max and the free activation enthalpy ∆G* ct of thermal cis-trans isomerization are linearly correlated with each other and with Dimroth s solvent polarity parameter E T. These observations and the solvent-polarity-dependent increase of absorption band width are explained in terms of a model emphasizing the strong coupling between molecular conformation, electronic charge distribution, and solvent polarization.</dcterms:abstract>
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    <dcterms:bibliographicCitation>First publ. in: Journal of Physical Chemistry 92 (1988), 15, pp. 4324-4328</dcterms:bibliographicCitation>
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    <dc:creator>Steiner, Ulrich</dc:creator>
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    <dc:contributor>Abdel-Kader, Mahmoud H.</dc:contributor>
    <dcterms:title>Thermal cis-trans isomerization of solvatochromic merocyanines : linear correlations between solvent polarity and adiabatic and diabatic transition energies</dcterms:title>
    <dc:contributor>Steiner, Ulrich</dc:contributor>
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    <dc:creator>Abdel-Kader, Mahmoud H.</dc:creator>
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