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240120s2024 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.27307
|2 doi
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|a eng
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|a Shaalan Alag, Ahmed
|e verfasserin
|4 aut
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|a Ab initio investigation of excited state charge transfer pathways in differently capped bithiophene cages
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 12.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Journal of Computational Chemistry published by Wiley Periodicals LLC.
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|a The electronic excitations of conformationally constrained bithiophene cage systems as previously investigated by Lewis et al. (J. Am. Chem. Soc. 143, 18548 (2021)) are revisited, employing the correlated ab initio Scaled Opposite-Spin Algebraic Diagrammatic Construction Second Order electronic structure method. Quantitative descriptors are determined to assess the extent of charge transfer between the bithiophene moieties and the capping domains, represented by either phenyl or triazine groups. The investigation substantiates intrinsic differences in the photophysical behavior of these two structural variants and reveals the presence of lower-energy excited states characterized by noteworthy charge transfer contributions in the triazine cage system. The manifestation of this charge transfer character is discernible even at the Franck-Condon geometry, persisting throughout the relaxation of the excited state. By examining isolated monomer building blocks, we confirm the existence of analogous charge transfer contributions in their excitations. Employing this methodological approach facilitates the prospective identification of potential wall/cap chromophore pairs, wherein charge transfer pathways can be accessed within the energetically favorable regime
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|a Journal Article
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|a SOS‐ADC(2)
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|a arylene cages
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|a bithiophene
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|a charge transfer
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|a excited states
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|a triazine
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|a Szalay, Péter G
|e verfasserin
|4 aut
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|a Tajti, Attila
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 45(2024), 14 vom: 30. Apr., Seite 1078-1086
|w (DE-627)NLM098138448
|x 1096-987X
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|g volume:45
|g year:2024
|g number:14
|g day:30
|g month:04
|g pages:1078-1086
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|u http://dx.doi.org/10.1002/jcc.27307
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