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Synthesis and Molecular Structures of Endohedral Fullerenes Read chapter Read first chapter

2017 | OriginalPaper | Chapter

10. Nuclear Magnetic Resonance Spectroscopy of Endohedral Metallofullerenes with Paramagnetic Metal Ions: Structure Elucidation and Magnetic Anisotropy

Author : Alexey A. Popov

Published in: Endohedral Fullerenes: Electron Transfer and Spin

Publisher: Springer International Publishing

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Abstract

Paramagnetic NMR spectroscopy of EMFs with paramagnetic metal ions can deliver information on the structural and magnetic properties of EMFs. For a series of Ce-EMFs, analysis of the temperature dependence of chemical shifts in NMR spectra proved that the main contribution to the paramagnetic shifts is the dipolar “pseudocontact” term. As this term includes geometric parameters of the molecule, position and dynamics of endohedral metal atoms can be deduced from variable-temperature NMR spectra. For lanthanide-based nitride clusterfullerenes, pNMR provide information on the sign and size of the magnetic anisotropy of lanthanide ions. The influence of the cluster geometry on the paramagnetic chemical shifts is then discussed for HoM2N@C80 (M = Sc, Y, Lu) nitride clusterfullerenes.

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previous chapter Ion Radicals of Endohedral Metallofullerenes Studied by EPR Spectroscopy
next chapter Magnetic Properties of C80 Endofullerenes
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Metadata
Title
Nuclear Magnetic Resonance Spectroscopy of Endohedral Metallofullerenes with Paramagnetic Metal Ions: Structure Elucidation and Magnetic Anisotropy
Author
Alexey A. Popov
Copyright Year
2017
Book
Endohedral Fullerenes: Electron Transfer and Spin

Print ISBN: 978-3-319-47047-4

Electronic ISBN: 978-3-319-47049-8

Copyright Year: 2017

DOI
https://doi.org/10.1007/978-3-319-47049-8_10

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