六卤代硼酸二阴离子：二元硼卤化物的一个新类别
Hexahalodiborate Dianions: A New Family of Binary Boron Halides.
作者信息
Bélanger-Chabot Guillaume, Braunschweig Holger
机构信息
Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
出版信息
Angew Chem Int Ed Engl. 2019 Oct 1;58(40):14270-14274. doi: 10.1002/anie.201906666. Epub 2019 Aug 23.
The electron-precise binary boron subhalide species [B X ] X=F, Br, I) were synthesized and their structures confirmed by X-ray crystallography. The existence of the previously claimed [B Cl ] , 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 ), and are rare examples of molecular electron-precise binary boron species beyond B X , BX , and [BX ] .
电子精确的二元硼亚卤化物物种[BX]（X = F、Br、I）被合成出来，并且它们的结构通过X射线晶体学得以证实。之前所声称的一直受到质疑的[BCl]的存在，也通过X射线晶体学得到了证实。这些二价阴离子与六卤乙烷是等电子体，是著名的四卤硼酸根阴离子（BX₄⁻）的亚卤化物类似物，并且是除了BX₃、BX₅和[BX₆]²⁻之外分子电子精确的二元硼物种的罕见例子。
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