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二碘化镓

二碘化镓
识别
CAS号 18434-30-5
PubChem 10855247
SMILES
 
  • [Ga+].I[Ga-](I)(I)I
性质
化学式 GaI2
摩尔质量 323.53 g·mol−1
外观 黄色固体[1]
熔点 211 °C[1]
相关物质
其他阴离子 二氯化镓
二溴化镓
其他阳离子 二碘化铟
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

二碘化镓是一种碘化物

制备

二碘化镓可以由在350 °C下反应而成。它也可以通过镓和碘化汞在220 °C下反应而成。[1]

性质

二碘化镓是易潮解抗磁性黄色固体,[1]在液态下则是红色的。[2]它在250 °C以上会很容易歧化成一碘化镓三碘化镓[1]在固态下,二碘化镓的结构为 Ga[GaI4]。[3]

参考资料

  1. ^ 1.0 1.1 1.2 1.3 1.4 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, S. 855.
  2. ^ Jane E. Macintyre. Dictionary of Inorganic Compounds. CRC Press. 1992: 3304. ISBN 041230120-2. 
  3. ^ Egon Wiberg, Nils Wiberg. Inorganic Chemistry. Academic Press. 2001: 1036. ISBN 012352651-5. 
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二碘化镓
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