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Ca[Si 2 O 2 N 2 ]—A Novel Layer Silicate
Author(s) -
Höppe Henning A.,
Stadler Florian,
Oeckler Oliver,
Schnick Wolfgang
Publication year - 2004
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/anie.200460098
Subject(s) - silicate , crystallography , atom (system on chip) , tetrahedron , layer (electronics) , ion , silicon , materials science , chemistry , nanotechnology , metallurgy , organic chemistry , computer science , embedded system
A corrugated [Si 2 O 2 N 2 ] 2− layer anion , which is constructed of dreier rings, forms the basis of the silicate Ca[Si 2 O 2 N 2 ] (see picture). The unusual structure results from the fact that every N atom—unlike the O atoms in oxosilicates—links three neighboring Si tetrahedron centers within the layers, whereas all the O atoms are exclusively bonded terminally to the Si atoms.
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