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氰化亚金

氰化亚金
别名 氰化金(I)
识别
CAS号 506-65-0
PubChem 68172
SMILES
 
  • [Au+].[C-]#N
EC编号 208-049-1
性质
化学式 CAuN
摩尔质量 222.98 g·mol−1
外观 深黄色粉末[1]
密度 7.14 g·cm−3[1]
溶解性 难溶[2]
结构
晶体结构 六方晶系
空间群 P6mm (No. 183)
晶格常数 a = 340 pm, c = 509 pm[2]
相关物质
其他阳离子 氰化亚铜
氰化银
相关化学品 氰化金
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氰化亚金的一种氰化物,化学式 AuCN。

制备

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氰化亚金可以由氰化亚金钾盐酸反应而成。[2]

它也可以由三氯化金溶液和氰化钾反应而成。[2]

性质

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氰化亚金是无臭无味的黄色固体。[3]它在空气中稳定,难溶于水和稀酸,可溶于碱金属氰化物、氢氧化钾硫代硫酸钠硫化铵的溶液。干燥的氰化亚金加热时分解并产生沉淀。潮湿的氰化亚金对光不稳定,会变成绿色。氰化亚金是六方晶系的,晶格参数 a = 3.40 Å,c = 5.09 Å。[2]氰化亚金中的Au-C-N键是一条直线。[4]

参考资料

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  1. ^ 1.0 1.1 来源:Sigma-Aldrich Co., product no. 254088 .
  2. ^ 2.0 2.1 2.2 2.3 2.4 Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band II, Ferdinand Enke, Stuttgart 1978, ISBN 3-432-87813-3, S. 1018.
  3. ^ Meyers Konversations-Lexikon, 1888: Goldcyanid页面存档备份,存于互联网档案馆
  4. ^ G. H. Kelsall, Electrochemistry in mineral and metal processing VI: proceedings of the International Symposium, The Electrochemical Society: 196, 2003, ISBN 156677401-2 
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氰化亚金
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