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Updated: Jan 21, 2026

Negative Additive Manufacturing of Complex Shaped Boron Carbides
Published on: September 18, 2018
Hexahalodiborate Dianions: A New Family of Binary Boron Halides
Guillaume Bélanger-Chabot1,2, Holger Braunschweig1,2
1Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Abstract:
The electron-precise binary boron subhalide species [B2 X6 ]2- X=F, Br, I) were synthesized and their structures confirmed by X-ray crystallography. The existence of the previously claimed [B2 Cl6 ]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 (BX4 - ), and are rare examples of molecular electron-precise binary boron species beyond B2 X4 , BX3 , and [BX4 ]- .
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