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Description
| - The accuracy of dispersion-corrected calculations (DFT-D2, DFT-D3 and DFT-NL) is assessed here, with large basis sets (def2-QZVP) to avoid incompleteness effects, for the most stable structure of a real-world polyphenol dimer chosen as an appropriate model. Natural polyphenols form such complexes with pi-stacking playing a key stabilizing role. Our benchmark calculations predict its existence favored by 22-24 kcal/mol with respect to the isolated monomers, mainly driven by both pi-pi and H-bonding interactions. The adequate comparison of lower-cost DFT-based methods allowed bracketing their expected accuracy. These results thus pave the way towards reliable studies of challenging aggregation processes of natural products.
- The accuracy of dispersion-corrected calculations (DFT-D2, DFT-D3 and DFT-NL) is assessed here, with large basis sets (def2-QZVP) to avoid incompleteness effects, for the most stable structure of a real-world polyphenol dimer chosen as an appropriate model. Natural polyphenols form such complexes with pi-stacking playing a key stabilizing role. Our benchmark calculations predict its existence favored by 22-24 kcal/mol with respect to the isolated monomers, mainly driven by both pi-pi and H-bonding interactions. The adequate comparison of lower-cost DFT-based methods allowed bracketing their expected accuracy. These results thus pave the way towards reliable studies of challenging aggregation processes of natural products. (en)
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Title
| - pi-Stacked polyphenolic dimers: A case study using dispersion-corrected methods
- pi-Stacked polyphenolic dimers: A case study using dispersion-corrected methods (en)
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skos:prefLabel
| - pi-Stacked polyphenolic dimers: A case study using dispersion-corrected methods
- pi-Stacked polyphenolic dimers: A case study using dispersion-corrected methods (en)
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skos:notation
| - RIV/61989592:15310/13:33148405!RIV14-MSM-15310___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61989592:15310/13:33148405
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - DFT; sets; analogs; energies; molecules; thermodynamics; accurate; approximate; noncovalent interactions; density-functional theory (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Trouillas, Patrick
- Di Meo, Florent
- Bayach, Imene
- Sancho-Garcia, Juan C
- Weber, Jean-Frederic F
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1016/j.cplett.2013.05.064
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http://localhost/t...ganizacniJednotka
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