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240216s2024 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.27331
|2 doi
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|a pubmed24n1392.xml
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|a eng
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|a Sang-Aroon, Wichien
|e verfasserin
|4 aut
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|a Chalcogen atom effect on the intersystem crossing kinetic constant of oxygen- and sulfur disubstituted heteroporphyrins
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 29.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley Periodicals LLC.
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|a The modulation of the photophysical properties of di-substituted porphyrin rings upon the oxygen and sulfur-for-nitrogen replacement has been investigated at density functional theory (DFT) and its time-dependent formulation (TDDFT). The considered properties range from structural behaviors and excitation energies to spin-orbit coupling (SOC) and nonradiative intersystem kinetic constants. Results show that the SOC strongly increase upon chalcogen substitution and, accordingly, the computed nonradiative kinetic constant also indicate an efficient singlet-triplet intersystem crossing in the sulfur containing macrocycle. The presented results indicate an alternative way to properly modulate the porphyrin's crucial properties for their use in photodynamic therapy, without resorting to the use of heavy atoms
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|a Journal Article
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|a TDDFT
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|a excitation energies
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| 650 |
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|a nonradiative ISC kinetic constants
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| 650 |
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|a photodynamic therapy
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| 650 |
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4 |
|a spin‐orbit coupling constants
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| 700 |
1 |
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|a Alberto, Marta Erminia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Toscano, Marirosa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Russo, Nino
|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), 16 vom: 15. Apr., Seite 1322-1328
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
1 |
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|g volume:45
|g year:2024
|g number:16
|g day:15
|g month:04
|g pages:1322-1328
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|u http://dx.doi.org/10.1002/jcc.27331
|3 Volltext
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