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五氧化二溴

五氧化二溴
IUPAC名
Dibromine pentoxide
识别
CAS号 58572-43-3  checkY
SMILES
 
  • O=[Br](=O)O[Br](=O)=O
性质
化学式 Br2O5
摩尔质量 239.805 g/mol g·mol⁻¹
外观 无色固体
熔点 −20°C分解[1]
相关物质
其他阴离子 二氧化溴
三氟化溴
五氟化溴
其他阳离子 二氟化氧
一氧化二氯
二氧化氯
二氧化碘
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

五氧化二溴是一种由组成的化合物化学式 Br2O5。它是一种在−20 °C以下稳定的无色固体。五氧化二溴的结构为O2Br−O−BrO2,Br−O−键角为121.2°。每个BrO3都是四面体型结构。[2]

制备

[编辑]

五氧化二溴可以由溴的二氯甲烷溶液和臭氧在低温下从丙腈中重结晶。[1][2]

参考资料

[编辑]
  1. ^ 1.0 1.1 Perry, Dale L.; Phillips, Sidney L., Handbook of Inorganic Compounds, CRC Press: 74, 1995 [25 August 2015], ISBN 0-8493-8671-3 
  2. ^ 2.0 2.1 Wiberg, Egon. Wiberg, Nils , 编. Inorganic chemistry 1st. San Diego, Calif.: Academic Press. 2001: 464. ISBN 9780123526519. 
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五氧化二溴
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