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Digitale Medien

The 13C Chemical Shift of the ipso Carbon Atom in Phenyllithium (1995)

Berger, Stefan ; Fleischer, Ulrich ; Geletneky, Christian ; [weitere]

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 128 (1995), S. 1183-1186

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Details

ISSN: 0009-2940

Schlagwort(e): Phenyllithium ; Solid-state NMR ; Chemical shift anisotropy ; Calculations, IGLO ; Chemistry ; Inorganic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: Phenyllithium was labeled with 6Li and 13C at the ipso carbon atom, and the tetramer was measured by solid-state NMR. The chemical shift tensor data were obtained by a moment analysis of the spinning side bands and were compared with the results obtained by calculations with the IGLO method. Although no splitting by dipolar spin coupling to 6Li was found the very good agreement between IGLO predictions and experimental results allowed alignment of the tensor axis to the molecular frame and interpretation of the data. The large deshielding of the isotropic chemical shift is mainly due to a decrease of the ΔE term in s̰.

Zusätzliches Material: 3 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/cber.19951281208

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