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Studies on systems of salts and mixed solvents 35 — 27 Al NMR investigations of AlCl 3 ‐water‐ N , N ‐dimethylformamide solutions using the solid‐state MAS technique
Author(s) -
Hallas E.,
Emons H.H.,
Siedler M.,
Thomas B.
Publication year - 1989
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1260270402
Subject(s) - chemistry , dimethylformamide , formamide , nmr spectra database , ligand (biochemistry) , spectral line , nuclear magnetic resonance spectroscopy , solid state nuclear magnetic resonance , analytical chemistry (journal) , stereochemistry , organic chemistry , solvent , nuclear magnetic resonance , biochemistry , physics , receptor , astronomy
Abstract Conventional liquid‐state 27 Al NMR spectra of concentrated solutions of the AlCl 3 ‐water‐ N , N ‐dimethyl‐ N ‐Dimethylformamide formamide system contain comparatively broad non‐structured lines. Application of MAS leads to a reduction in the line width and a structuring of the spectra. This allowed the experimental determination of the chemical shifts of [Al(H 2 O) 6− x (DMF) x ] 3+ ( x = 0−6) mixed‐ligand complexes. The investigations demonstrate an example of the applicability to liquids of the NMR MAS technique, which was originally developed for solids. They underline the existence, in a reduced form, of ‘solid‐type’ interactions within the investigated solutions.