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三溴化铊

三溴化铊
英文名 thallium(III) bromide
识别
CAS号 13701-90-1(无水)  checkY
13453-29-7(四水)  checkY
性质
化学式 TlBr3
摩尔质量 444.09 g·mol⁻¹
密度 3.65 g·cm−3[1]
结构
配位几何 正交晶系,空间群Pcmn[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

三溴化铊是一种无机化合物,化学式为TlBr3

制备

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三溴化铊的四水合物可由溴化亚铊在水中的悬浮液和在30~40 °C反应得到。[3]

性质

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三溴化铊以水合物的形式存在,它是浅黄色针状晶体,易溶于水,在40 °C熔化,但在空气中,30 °C时分解为暗黄色的溴化铊(I,III),生成;而在真空中,分解在室温即可分解。[3][4]它可以形成一系列的溴配合物,如Rb[TlBr4]和Rb3[TlBr6]。

应用

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三溴化铊是强氧化剂,在有机化学金属有机化学中有所应用。[5]

参考文献

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  1. ^ William M. Haynes, [《三溴化铊》在Google Books的內容。 CRC Handbook of Chemistry and Physics, 93rd Edition], CRC Press. 2012: pp. 4-94, (德文) 
  2. ^ Glaser, Julius. Crystal and molecular structure of thallium(III) bromide tetrahydrate and thallium(III) chloride tetrahydrate, a redetermination. Acta Chemica Scandinavica, Series A: Physical and Inorganic Chemistry, 1979. A33 (10): 789-794.
  3. ^ 3.0 3.1 Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6, pp. 874.
  4. ^ Egon Wiberg, Nils Wiberg, [《三溴化铊》在Google Books的內容。 Inorganic Chemistry], Academic Press. 2001: pp. 1033, (德文) 
  5. ^ A.J. Downs, [《三溴化铊》在Google Books的內容。 Chemistry of Aluminium, Gallium, Indium, and Thallium], Springer. 1993: pp. 137, (德文) 
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三溴化铊
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