Sodium Dihydrido-bis(2-methoxyethoxo)aluminate (SDMA): Structure and Behaviour in Solutions

Author:

Heřmánek Stanislav1,Kříž Otomar2,Fusek Jiří2,Čásenský Bohuslav2,Černý Zbyněk2

Affiliation:

1. Černý Institute of Inorganic Chemistry, Czechoslovak Academy of Sciences, 25068 Řež near Prague, Czechoslovakia

2. Institute of Inorganic Chemistry, Czechoslovak Academy of Sciences, 25068 Řež near Prague, Czechoslovakia

Abstract

SDMA, according to 27AI NMR almost uniform in benzene, is increasingly disproportionated in the presence of donors in the following order: C6H6 Bu2O ≤ Et2O ≤ anisole < dioxane ≪ THF < monoglyme ≤ diglyme to the NaAlH4-x(OCH2CH2OCH3)x compounds; the structure in solutions is represented by an open-chain oligomer with four-coordinated Na and Al atoms and with Na+ autocomplexed by two bidentate -OCH2CH2OCH3 ligands belonging to two neighbouring Al Atoms.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

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