The multidentate ligand (MeOMe2Si)3Si-: Unusual coordination modes in alkali metal silanides

Clemens Krempner; Malcolm H. Chisholm; Judith Gallucci

doi:10.1002/anie.200703575

The multidentate ligand (MeOMe₂Si)₃Si^-: Unusual coordination modes in alkali metal silanides

Clemens Krempner, Malcolm H. Chisholm, Judith Gallucci

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

(Chemical Equation Presented) Chain gang: Introducing methoxy groups into (Me₃Si)₄Si and treatment with alkali metal alkoxides leads to hitherto unknown zwitterionic alkali metal silanides [(MeO-Me ₂Si)₃SiM] with a bicyclooctane (Li, Na) or heterocubane (K) structure. The lithium and sodium compounds form infinite chains in the solid state (see picture: green Li, blue Si, red O, gray C) and dissociate in THF solutions into zwitterionic monomers.

Original language	English
Pages (from-to)	410-413
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	47
Issue number	2
DOIs	https://doi.org/10.1002/anie.200703575
State	Published - 2008

Keywords

Lithium
Potassium
Silanides
Sodium
X-ray crystallography

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title = "The multidentate ligand (MeOMe2Si)3Si-: Unusual coordination modes in alkali metal silanides",

abstract = "(Chemical Equation Presented) Chain gang: Introducing methoxy groups into (Me3Si)4Si and treatment with alkali metal alkoxides leads to hitherto unknown zwitterionic alkali metal silanides [(MeO-Me 2Si)3SiM] with a bicyclooctane (Li, Na) or heterocubane (K) structure. The lithium and sodium compounds form infinite chains in the solid state (see picture: green Li, blue Si, red O, gray C) and dissociate in THF solutions into zwitterionic monomers.",

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AU - Krempner, Clemens

AU - Chisholm, Malcolm H.

AU - Gallucci, Judith

PY - 2008

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N2 - (Chemical Equation Presented) Chain gang: Introducing methoxy groups into (Me3Si)4Si and treatment with alkali metal alkoxides leads to hitherto unknown zwitterionic alkali metal silanides [(MeO-Me 2Si)3SiM] with a bicyclooctane (Li, Na) or heterocubane (K) structure. The lithium and sodium compounds form infinite chains in the solid state (see picture: green Li, blue Si, red O, gray C) and dissociate in THF solutions into zwitterionic monomers.

AB - (Chemical Equation Presented) Chain gang: Introducing methoxy groups into (Me3Si)4Si and treatment with alkali metal alkoxides leads to hitherto unknown zwitterionic alkali metal silanides [(MeO-Me 2Si)3SiM] with a bicyclooctane (Li, Na) or heterocubane (K) structure. The lithium and sodium compounds form infinite chains in the solid state (see picture: green Li, blue Si, red O, gray C) and dissociate in THF solutions into zwitterionic monomers.

KW - Lithium

KW - Potassium

KW - Silanides

KW - Sodium

KW - X-ray crystallography

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The multidentate ligand (MeOMe₂Si)₃Si^-: Unusual coordination modes in alkali metal silanides

Abstract

Keywords

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