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Issue 43, 2019
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Radical cations of twisted acenes: chiroptical properties and spin delocalization

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Abstract

We introduce the first series of enantiopure twistacene radical cations, which form reversibly upon chemical or electrochemical oxidation. Their vis-NIR chiroptical properties (Cotton effect and anisotropy factor) increase systematically with the backbone twist. The hyperfine constants observed by EPR demonstrate significant spin delocalization even for large backbone twist angles.

Graphical abstract: Radical cations of twisted acenes: chiroptical properties and spin delocalization

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Supplementary files

Article information


Submitted
09 Apr 2019
Accepted
25 Apr 2019
First published
25 Apr 2019

Chem. Commun., 2019,55, 6022-6025
Article type
Communication

Radical cations of twisted acenes: chiroptical properties and spin delocalization

A. Bedi, R. Carmieli and O. Gidron, Chem. Commun., 2019, 55, 6022
DOI: 10.1039/C9CC02735A

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