Dynamic configurational isomerism of a stable pentaorganosilicate

Erik P.A. Couzijn, Marius Schakel, Frans J.J. De Kanter, Andreas W. Ehlers, Martin Lutz, Anthony L. Spek, Koop Lammertsma

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)

Abstract

Molecule with three faces. Two of the three possible configurations that a stable silicate with five carbon substituents can adopt have been observed by NMR spectroscopy and shown to be in dynamic equilibrium through a Berry pseudorotation. The thermodynamics and kinetics of their exchange are in good agreement with calculations. The major configuration (from the crystal structure of the nBu4N+ salt) is shown in the center of the picture.

Original languageEnglish
Pages (from-to)3440-3442
Number of pages3
JournalAngewandte Chemie - International Edition
Volume43
Issue number26
DOIs
Publication statusPublished - 28 Jun 2004
Externally publishedYes

Keywords

  • Density functional calculations
  • Hypervalent compounds
  • Isomers
  • NMR
  • Silicon
  • Spectroscopy

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry

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