Ligand Dynamics in the Solid: Lithium-fluorenide and Lithium-benzo[b]fluorenide N,N,N′,N′-Tetramethylethylenediamine (tmeda) Complexes

The dynamic behavior of the N,N,N′,N′‐tetramethylethylenediamine (tmeda) ligand has been studied in solid lithium‐fluorenide(tmeda) (3) and lithium‐benzo[b]fluorenide(tmeda) (4) using CP/MAS solid‐state 13C‐ and 15N‐NMR spectroscopy. It is shown that, in the ground state, the tmeda ligand is oriente...

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Bibliographic Details
Published in:Helvetica chimica acta 2012-12, Vol.95 (12), p.2317-2330
Main Authors: Focke, Arnd, Hausmann, Heike, Jost, Steffen, Günther, Harald
Format: Article
Language:English
Subjects:
Ab initio calculations
Ligand dynamics
Ligands
Lithium benzo[b]fluorenide
Lithium complexes
NMR Spectroscopy
Organolithium compounds
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Summary:The dynamic behavior of the N,N,N′,N′‐tetramethylethylenediamine (tmeda) ligand has been studied in solid lithium‐fluorenide(tmeda) (3) and lithium‐benzo[b]fluorenide(tmeda) (4) using CP/MAS solid‐state 13C‐ and 15N‐NMR spectroscopy. It is shown that, in the ground state, the tmeda ligand is oriented parallel to the long molecular axis of the fluorenide and benzo[b]fluorenide systems. At low temperature (
ISSN:0018-019X
1522-2675
DOI:10.1002/hlca.201200467