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Neutral Pentacoordinate Silicon(IV) Complexes with Silicon–Chalcogen (S, Se, Te) Bonds

✍ Scribed by Bastian Theis; Stefan Metz; Christian Burschka; Rüdiger Bertermann; Stefan Maisch; Reinhold Tacke

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
444 KB
Volume
15
Category
Article
ISSN
0947-6539

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✦ Synopsis

Abstract

The neutral pentacoordinate silicon(IV) complexes 1 (SiS~2~ONC skeleton), 2 (SiSeSONC), 3 (SiTeSONC), 6/9 (SiSe~2~O~2~C), 7 (SiSe~2~S~2~C), and 8/10 (SiSe~4~C) were synthesized and structurally characterized by using single‐crystal X‐ray diffraction and multinuclear solid‐state and solution‐state (except for 6–9) NMR spectroscopy. With the synthesis of compounds 1–3 and 6–10, it has been demonstrated that pentacoordinate silicon compounds with soft chalcogen ligand atoms (S, Se, Te) can be stable in the solid state and in solution.

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Inside Cover: Pentacoordination of Silic
Inside Cover: Pentacoordination of Silicon by Five Different Ligand Atoms: Neutral Silicon(IV) Complexes with SiClSONC and SiISONC Skeletons (Angew. Chem. Int. Ed. 37/2007)
✍ Stefan Metz; Christian Burschka; Daniela Platte; Reinhold Tacke 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 30 KB 👁 1 views

Five different ligands attached to a single silicon atom are found in the pentacoordinate silicon(IV) complexes with SiClSONC and SiISONC skeletons (see picture). R. Tacke and co-workers describe in their Communication on page 7006 ff. the synthesis and structural analysis of both complexes, which e