Synthesis and electronic characterization of discrete buckminsterfulleride salts. C[sub 60][sup 2[minus]] and C[sub 60][sup 3[minus]]

The synthesis and magnetic characterization of discrete fulleride salts is leading to interesting new insight into the rather complex electronic structures that result from sequential filling of the t[sub lu] LUMO of C[sub 60]. Hund's rule is not obeyed in either C[sub 60][sup 2[minus]] or C[su...

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Bibliographic Details
Published in:Journal of the American Chemical Society 1993-11, Vol.115:23
Main Authors: Bhyrappa, P., Stinchcombe, J., Reed, C.A., Paul, P., Boyd, P.D.W.
Format: Article
Language:English
Subjects:
400102 - Chemical & Spectral Procedures
400201 - Chemical & Physicochemical Properties
CARBON
CHARGED PARTICLES
ELECTRON SPIN RESONANCE
ELECTRONIC STRUCTURE
ELEMENTS
FULLERENES
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
IONS
MAGNETIC RESONANCE
NONMETALS
NUCLEAR MAGNETIC RESONANCE
RESONANCE
SALTS
SYNTHESIS
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Summary:The synthesis and magnetic characterization of discrete fulleride salts is leading to interesting new insight into the rather complex electronic structures that result from sequential filling of the t[sub lu] LUMO of C[sub 60]. Hund's rule is not obeyed in either C[sub 60][sup 2[minus]] or C[sub 60][sup 3[minus]] because of the density of low-lying excited states which remain to be described in detail. The preference for a consistent A/E splitting of the T[sub lu] level upon filling with one, two, or three electrons is notable, particularly because in each case there are elements of the configuration that are counter-intuitive with respect to the Jahn-Teller theorem. 15 refs., 2 figs.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja00076a074