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Planar Tetracoordinate Silicon
Author(s) -
Würthwein ErnstUlrich,
von Ragué Schleyer Paul
Publication year - 1979
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.197905531
Subject(s) - tetracoordinate , planar , silicon , tetrahedron , atom (system on chip) , materials science , carbon atom , crystallography , carbon fibers , nanotechnology , chemistry , chemical physics , optoelectronics , organic chemistry , computer science , ring (chemistry) , composite material , computer graphics (images) , composite number , embedded system
The first compound found to contain planar tetracoordinated silicon is the orthosilicic ester (2) . In contrast, the bondilg geometry of the central atom of the analogous orthocarbonic ester deviates only slightly from a tetrahedron. Quantum mechanical studies [ e.g . on the model compound (3) ] showed that planar tetracoordination is easier for silicon than for carbon. The ability of silicon to engage in sixfold coordination [type (4) ] even makes such planar structures easier to achieve than the tertahedral structure.
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