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Pentacoordination of Silicon by Four Covalent Si−S Bonds and One Covalent Si−C Bond

✍ Scribed by Reinhold Tacke; Matthias Mallak; Reiner Willeke

Publisher: John Wiley and Sons
Year: 2001
Tongue: English
Weight: 82 KB
Volume: 40
Category: Article
ISSN: 0044-8249
DOI: 10.1002/1521-3773(20010618)40:12<2339::aid-anie2339>3.0.co;2-e

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✦ Synopsis

The zwitterionic compounds 1 and 2 are the first pentacoordinate silicates with covalent SiS C skeletons. They were characterized by crystal-structure analyses and NMR spectroscopic studies. Although pentacoordination of silicon is usually favored by ligand atoms of high electronegativity, the structural data of both 1 and 2 are consistent with the presence of five covalent bonds to the silicon atom.

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