首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Fluorination of closo,closo-[B _(21)H _(18)] ~- with aHF and F _2 to yield closo,closo-[B _(21)H _(18-x)F _x] ~- (x = 1-3) and closo,closo-[B _(21)F _(18)] ~-
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Fluorination of closo,closo-[B _(21)H _(18)] ~- with aHF and F _2 to yield closo,closo-[B _(21)H _(18-x)F _x] ~- (x = 1-3) and closo,closo-[B _(21)F _(18)] ~-

机译:用aHF和F _2氟化closo,closo- [B _(21)H _(18)]〜-以产生closo,closo- [B _(21)H _(18-x)F _x]〜-( x = 1-3)和closo,closo- [B _(21)F _(18)]〜-

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摘要

[B _(21)H _(18)] ~- reacts with anhydrous HF at 100 °C, depending on the reaction time, to various compounds with the form[7-F-B _(21)H _(17)] ~-, [7, 8′-F _2-B _(21)H _(16)] ~-, [7, 8-F _2-B _(21)H _(16)] ~-, [7, 8, 9′-F _3-B _(21)H _(15)] ~-and [7, 8, 9-F _3-B _(21)H _(15)] ~-. [B _(21)F 18] - is available by the reaction of [B _(21)H _(18)] ~- with F _2 in aHF. The mentioned borates were characterized by NMR spectroscopy. Crystal structures of salts with [B _(21)H _(18-x)F _x] ~-(x = 1-3) were determined.
机译:[B _(21)H _(18)]〜-根据反应时间,在100°C下与无水HF反应,生成各种形式为[7-FB _(21)H _(17)]的化合物-,[7,8'-F _2-B _(21)H _(16)]〜-,[7,8-F _2-B _(21)H _(16)]〜-,[7, 8、9'-F _3-B _(21)H _(15)]〜-和[7,8,9-F _3-B _(21)H _(15)]〜-。 [B _(21)F 18]-可通过[B _(21)H _(18)]〜-与a HF中的F _2反应获得。所提及的硼酸盐通过NMR光谱表征。确定了具有[B _(21)H _(18-x)F _x]〜-(x = 1-3)的盐的晶体结构。

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