Coulombic-enhanced hetero radical pairing interactions

Spin–spin interactions between two identical aromatic radicals have been studied extensively and utilized to establish supramolecular recognition. Here we report that spin-pairing interactions could also take place between two different π-electron radicals, namely a bipyridinium radical cation (BPY(...

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Autores principales: Zheng, Xujun, Zhang, Yang, Cao, Ning, Li, Xin, Zhang, Shuoqing, Du, Renfeng, Wang, Haiying, Ye, Zhenni, Wang, Yan, Cao, Fahe, Li, Haoran, Hong, Xin, Sue, Andrew C.-H., Yang, Chuluo, Liu, Wei-Guang, Li, Hao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5958055/
https://www.ncbi.nlm.nih.gov/pubmed/29773784
http://dx.doi.org/10.1038/s41467-018-04335-0
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author Zheng, Xujun
Zhang, Yang
Cao, Ning
Li, Xin
Zhang, Shuoqing
Du, Renfeng
Wang, Haiying
Ye, Zhenni
Wang, Yan
Cao, Fahe
Li, Haoran
Hong, Xin
Sue, Andrew C.-H.
Yang, Chuluo
Liu, Wei-Guang
Li, Hao
author_facet Zheng, Xujun
Zhang, Yang
Cao, Ning
Li, Xin
Zhang, Shuoqing
Du, Renfeng
Wang, Haiying
Ye, Zhenni
Wang, Yan
Cao, Fahe
Li, Haoran
Hong, Xin
Sue, Andrew C.-H.
Yang, Chuluo
Liu, Wei-Guang
Li, Hao
author_sort Zheng, Xujun
collection PubMed
description Spin–spin interactions between two identical aromatic radicals have been studied extensively and utilized to establish supramolecular recognition. Here we report that spin-pairing interactions could also take place between two different π-electron radicals, namely a bipyridinium radical cation (BPY(+•)) and a naphthalene-1,8:4,5-bis(dicarboximide) radical anion (NDI(─•)). The occurrence of this type of previously unreported hetero radical-pairing interactions is attributed to enhancement effect of Coulombic attraction between these two radicals bearing opposite charges. The Coulombic-enhanced hetero radical pairing interactions are employed to drive host–guest recognition, as well as the reversible switching of a bistable [2]rotaxane.
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spelling pubmed-59580552018-05-21 Coulombic-enhanced hetero radical pairing interactions Zheng, Xujun Zhang, Yang Cao, Ning Li, Xin Zhang, Shuoqing Du, Renfeng Wang, Haiying Ye, Zhenni Wang, Yan Cao, Fahe Li, Haoran Hong, Xin Sue, Andrew C.-H. Yang, Chuluo Liu, Wei-Guang Li, Hao Nat Commun Article Spin–spin interactions between two identical aromatic radicals have been studied extensively and utilized to establish supramolecular recognition. Here we report that spin-pairing interactions could also take place between two different π-electron radicals, namely a bipyridinium radical cation (BPY(+•)) and a naphthalene-1,8:4,5-bis(dicarboximide) radical anion (NDI(─•)). The occurrence of this type of previously unreported hetero radical-pairing interactions is attributed to enhancement effect of Coulombic attraction between these two radicals bearing opposite charges. The Coulombic-enhanced hetero radical pairing interactions are employed to drive host–guest recognition, as well as the reversible switching of a bistable [2]rotaxane. Nature Publishing Group UK 2018-05-17 /pmc/articles/PMC5958055/ /pubmed/29773784 http://dx.doi.org/10.1038/s41467-018-04335-0 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Zheng, Xujun
Zhang, Yang
Cao, Ning
Li, Xin
Zhang, Shuoqing
Du, Renfeng
Wang, Haiying
Ye, Zhenni
Wang, Yan
Cao, Fahe
Li, Haoran
Hong, Xin
Sue, Andrew C.-H.
Yang, Chuluo
Liu, Wei-Guang
Li, Hao
Coulombic-enhanced hetero radical pairing interactions
title Coulombic-enhanced hetero radical pairing interactions
title_full Coulombic-enhanced hetero radical pairing interactions
title_fullStr Coulombic-enhanced hetero radical pairing interactions
title_full_unstemmed Coulombic-enhanced hetero radical pairing interactions
title_short Coulombic-enhanced hetero radical pairing interactions
title_sort coulombic-enhanced hetero radical pairing interactions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5958055/
https://www.ncbi.nlm.nih.gov/pubmed/29773784
http://dx.doi.org/10.1038/s41467-018-04335-0
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