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Hexahalodiborate Dianions: A New Family of Binary Boron Halides
Author(s) -
BélangerChabot Guillaume,
Braunschweig Holger
Publication year - 2019
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.201906666
Subject(s) - boron , halide , binary number , crystallography , chemistry , electron , physics , inorganic chemistry , organic chemistry , mathematics , arithmetic , nuclear physics
The electron‐precise binary boron subhalide species [B 2 X 6 ] 2− X=F, Br, I) were synthesized and their structures confirmed by X‐ray crystallography. The existence of the previously claimed [B 2 Cl 6 ] 2− , which had been questioned, was also confirmed by X‐ray crystallography. The dianions are isoelectronic to hexahaloethanes, are subhalide analogues of the well‐known tetrahaloborate anions (BX 4 − ), and are rare examples of molecular electron‐precise binary boron species beyond B 2 X 4 , BX 3 , and [BX 4 ] − .
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