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|a 10.1002/jcc.27502
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|a eng
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|a Howe, Jordan
|e verfasserin
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|a Modeling the effect of substituents on the electronically excited states of indole derivatives
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|c 2025
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|a Text
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|a ƒaComputermedien
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|a Date Revised 25.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley Periodicals LLC.
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|a A proper understanding of excited state properties of indole derivatives can lead to rational design of efficient fluorescent probes. The optically active L a and L b excited states of a series of substituted indoles, where a substituent was placed on position four, were calculated using equation of motion coupled cluster and time dependent density functional theory. The results indicate that most substituted indoles have a brighter second excited state corresponding to experimental absorption maxima, but a few with electron withdrawing substituents absorb more on the first excited state. Absorption on the first excited state may increase their fluorescence quantum yield, making them better probes. Electronic structure methods were found to predict the energies of the systems with electron withdrawing substituents more accurately than those with electron donating substituents. The excited states of both states correlated well with electrophilicity, similar to the experimental trends for the absorption maxima. Overall, these computational studies indicate that theory can be used to predict excited state properties of substituted indoles, when the substituent is an electron withdrawing group
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|a Journal Article
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|a absorption
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4 |
|a excited states
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|a fluorescent probes
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|a quantum chemistry
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4 |
|a substituents
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|a Abou-Hatab, Salsabil
|e verfasserin
|4 aut
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| 700 |
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|a Matsika, Spiridoula
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 46(2024), 1 vom: 05. Jan., Seite e27502
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|x 1096-987X
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|g year:2024
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|g day:05
|g month:01
|g pages:e27502
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|u http://dx.doi.org/10.1002/jcc.27502
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