The Inside Story of Fullerene Anions: A 3He NMR Aromaticity Probe

Fullerene anions with helium atoms contained inside the cage exhibit degrees of aromaticity that can be predicted through the measurement of 3He chemical shifts (see picture). These chemical shifts help to demonstrate that the magnetic properties of fullerenes, and their anions, are not simply relat...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2003-07, Vol.42 (27), p.3136-3139
Main Authors: Sternfeld, Tamar, Saunders, Martin, Cross, R. James, Rabinovitz, Mordecai
Format: Article
Language:English
Subjects:
anions
aromaticity
fullerenes
helium
NMR spectroscopy
Online Access:Get full text
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Summary:Fullerene anions with helium atoms contained inside the cage exhibit degrees of aromaticity that can be predicted through the measurement of 3He chemical shifts (see picture). These chemical shifts help to demonstrate that the magnetic properties of fullerenes, and their anions, are not simply related to the number of carbon atoms or the number of electrons in the π system.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200351429