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Supramolecular chirality: a caveat in assigning the handedness of chiral aggregates

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Abstract

The handedness of a supramolecular chiral aggregate is often assigned based on the sign of circular dichroism spectra, adopting the exciton chirality method. However, the method does not properly account for the nature of intermolecular interactions. We introduce a generalized picture on the use of the sign of chiral signals in determining the helicity of chiral aggregates, rooted in the exciton model, supported by TD-DFT results.

Graphical abstract: Supramolecular chirality: a caveat in assigning the handedness of chiral aggregates

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Article information


Submitted
13 Mar 2020
Accepted
14 Jun 2020
First published
15 Jun 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Supramolecular chirality: a caveat in assigning the handedness of chiral aggregates

K. Swathi, C. Sissa, A. Painelli and K. George Thomas, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01922D

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