sup 13 C NMR study of the C60 cluster in the solid state: Molecular motion and carbon chemical shift anisotropy

{sup 13}C NMR spectra of solid buckminsterfullerene, the soccerball-like cluster of 60 carbon atoms, have been obtained at temperatures down to 77 K. The ambient spectrum shows rapid isotropic rotational motion. The motion is sufficiently slow at 77 K that a measurement of the chemical shift tensor...

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Bibliographic Details
Published inJournal of physical chemistry (1952) Vol. 95:1
Main Authors Yannoni, C.S., Johnson, R.D., Meijer, G., Bethune, D.S., Salem, J.R.
Format Journal Article
LanguageEnglish
Published United States 10.01.1991
Subjects
400201 - Chemical & Physicochemical Properties
CARBON COMPOUNDS
CHEMICAL SHIFT
DATA
EXPERIMENTAL DATA
INFORMATION
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
LOW TEMPERATURE
MAGNETIC RESONANCE
MEASURING METHODS
MOLECULES
NUCLEAR MAGNETIC RESONANCE
NUMERICAL DATA
POLYATOMIC MOLECULES
RESONANCE
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Summary:{sup 13}C NMR spectra of solid buckminsterfullerene, the soccerball-like cluster of 60 carbon atoms, have been obtained at temperatures down to 77 K. The ambient spectrum shows rapid isotropic rotational motion. The motion is sufficiently slow at 77 K that a measurement of the chemical shift tensor of the carbon nucleus can be made. The tensor components (220, 186, 40 ppm) have values that are typical for an aromatic carbon. Spectra at intermediate temperatures suggest the possibility of either growth of a low-temperature phase in which C60 rotation is inhibited or a distribution of rotational correlation times.
ISSN:0022-3654
1541-5740
DOI:10.1021/j100154a005