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

Clemens Krempner, Malcolm H. Chisholm, Judith Gallucci

Research output: Contribution to journalArticlepeer-review

28 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 languageEnglish
Pages (from-to)410-413
Number of pages4
JournalAngewandte Chemie - International Edition
Volume47
Issue number2
DOIs
StatePublished - 2008

Keywords

  • Lithium
  • Potassium
  • Silanides
  • Sodium
  • X-ray crystallography

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