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Pentacoordination of Silicon by Four Covalent Si−S Bonds and One Covalent Si−C Bond
Author(s) -
Tacke Reinhold,
Mallak Matthias,
Willeke Reiner
Publication year - 2001
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 - 10.1002/1521-3773(20010618)40:12<2339::aid-anie2339>3.0.co;2-e
Subject(s) - covalent bond , silicon , electronegativity , crystallography , atom (system on chip) , ligand (biochemistry) , chemistry , chemical bond , materials science , organic chemistry , biochemistry , receptor , computer science , embedded system
The zwitterionic compounds 1 and 2 are the first pentacoordinate silicates with covalent SiS 4 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.