ISSN:
0009-2940
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
Metal Alkyl and Aryl Compounds, XXVI1) On the Existence of Lithium Magnesium Methyl Compounds. The Crystal Structure of Bis[N, N, N′,N′-tetramethylethylenediamine)lithium] Tetra-μ-methylmagnesate, an Organometallic Compound with Lithium Methyl magnesium BridgesUsing the bidentate ligand N, N, N′, N′-tetramethylethylenediamine (tmeda), the solvate-free compounds [Li(tmeda)Me3Mg]2 (2) and [Li(tmeda)]2Me4Mg (1) are prepared. The crystal structure of 1 has been determined (monoclinic space group P21/c). In the center of the molecule the Mg atom is coordinated tetrahedraly by four methyl groups. These form bridges to both Li atoms which in turn are linked to the chelating tmeda ligands.
Notes:
Mit dem zweizähnigen Liganden N, N, N′,N′-Tetramethylethylendiamin (tmeda) werden solvatfreies [Li(tmeda)Me3Mg]2 (2) und [Li(tmeda)]2Me4Mg (1) dargestellt. Die Struktur von 1 wurde röntgenographisch bestimmt (monokline Raumgruppe P21/c). Im Zentrum des Moleküls ist das Mg-Atom tetraedrisch von vier Methylgruppen umgeben. Diese bilden paarweise Brücken zu den beiden Li-Atomen, welche ihrerseits an die tmeda-Chelat-Liganden gebunden sind.
Additional Material:
1 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/cber.19811140121
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