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[Au 3 Ge 45 ] 9− —A Binary Anion Containing a {Ge 45 } Cluster
Author(s) -
Spiekermann Annette,
Hoffmann Stephan D.,
Fässler Thomas F.,
Krossing Ingo,
Preiss Ulrich
Publication year - 2007
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.200603389
Subject(s) - delocalized electron , germanium , cluster (spacecraft) , center (category theory) , crystallography , chemical bond , ion , chemistry , moiety , physics , stereochemistry , computer science , silicon , organic chemistry , programming language
The golden era of germanium : The largest known germanium cluster [Au 3 Ge 45 ] 9− consists of 45 Ge atoms coordinated to three Au atoms and is obtained by the reaction of K 4 Ge 9 and [AuCl(PPh 3 )]. DFT calculations reveal the large variety of chemical‐bond character in the {Ge 45 } moiety; localized two‐center, two‐electron bonds coexist with delocalized polyhedral and three‐center, two‐electron bonds.