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closo ‐[B 21 H 18 ] − : A Face‐Fused Diicosahedral Borate Ion
Author(s) -
Bernhardt Eduard,
Brauer David J.,
Finze Maik,
Willner Helge
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.200604077
Subject(s) - boron , ion , icosahedral symmetry , face (sociological concept) , chemistry , crystallography , organic chemistry , philosophy , linguistics
Siamese borates : Syntheses are described for salts of the closo ‐[B 21 H 18 ] − and fac ‐[B 20 H 18 ] 2− ions. The [B 21 H 18 ] − ion is the first example of a singly charged closo ‐borate ion in which two icosahedral fragments are fused together such that they have a common face. The synthesis of novel weakly coordinating anions based on these frameworks is thus within reach.