The Multidentate Ligand (MeOMe 2 Si) 3 Si − : Unusual Coordination Modes in Alkali Metal Silanides | Zendy

Krempner Clemens | Zendy; Chisholm Malcolm H. | Zendy; Gallucci Judith | Zendy

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The Multidentate Ligand (MeOMe 2 Si) 3 Si − : Unusual Coordination Modes in Alkali Metal Silanides

Author(s) -

Krempner Clemens,

Chisholm Malcolm H.,

Gallucci Judith

Publication year - 2007

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200703575

Subject(s) - alkali metal , denticity , chemistry , lithium (medication) , inorganic chemistry , metal , monomer , ligand (biochemistry) , sodium , alkaline earth metal , solid state , crystallography , organic chemistry , polymer , biochemistry , receptor , medicine , endocrinology

Chain gang : Introducing methoxy groups into (Me 3 Si) 4 Si and treatment with alkali metal alkoxides leads to hitherto unknown zwitterionic alkali metal silanides [(MeOMe 2 Si) 3 SiM] 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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