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The Hexaazidogermanate( IV ) Ion: Syntheses, Structures, and Reactions
Author(s) -
Filippou Alexander C.,
Portius Peter,
Neumann Dirk U.,
Wehrstedt KlausDieter
Publication year - 2000
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(20001201)39:23<4333::aid-anie4333>3.0.co;2-s
Subject(s) - chemistry , crystal structure , ion , crystallography , salt (chemistry) , symmetry (geometry) , lewis acids and bases , density functional theory , lattice (music) , inorganic chemistry , computational chemistry , catalysis , organic chemistry , physics , geometry , mathematics , acoustics
Ideal S 2 symmetry is shown by the [Ge(N 3 ) 6 ] 2− ion ( 1 ) in the crystal lattice of the [N(PPh 3 ) 2 ] salt, whereas density functional calculations predict an S 6 ‐symmetric minimum structure for 1 . Short interionic Na−N contacts lead to a reduction of the symmetry of the anion to C 1 in crystalline [Na 2 (thf) 3 (Et 2 O)][Ge(N 3 ) 6 ], the product of the reaction of GeCl 4 with NaN 3 . With Lewis bases, 1 reacts to give derivatives of the long sought after tetraazide Ge(N 3 ) 4 ( 2 ; L $\hskip -0.4 em\vskip -0.68em\frown\hskip -0.4 em$ L=2,2′‐bipyridine, 1,10‐phenanthroline).
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