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硫酸金(II)

硫酸金(II)
别名
  • Gold sulfate
  • Digold disulfate
识别
CAS号 371777-29-6  checkY
SMILES
 
  • [O-]S(=O)(=O)[O-].[Au+2]
性质
化学式 Au
2
(SO
4
)
2
摩尔质量 293.03 g/mol g·mol⁻¹
外观 红色晶体
密度 5.51 g/cm3
结构
晶体结构 正交
空间群 Pbca
晶格常数 a = 854.9 pm, b = 824.9 pm, c = 1001.4 pm
相关物质
其他阳离子 硫酸铜
硫酸银(II)
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫酸金(II)是一种化合物,化学式为AuSO
4
或更准确的Au
2
(SO
4
)
2
。这个化合物曾经被认为是多化合物AuIAuIII(SO4)2,但后来被确认含有双原子阳离子Au4+
2
,使其成为第一个简单无机金(II)化合物。阳离子中的金原子之间的键长为249 pm[1][2]

制备和性质

硫酸金(II)可以由硫酸氢氧化金反应制备。硫酸金(II)在空气中不稳定,会氧化成二硫酸根合金(III)酸英语hydrogen disulfoaurate(III)(HAu(SO
4
)
2
)。[1]

参考文献

  1. ^ 1.0 1.1 Wickleder, Mathias S. AuSO4: A True Gold(II) Sulfate with an Au24+ Ion. Journal of Inorganic and General Chemistry. 2001, 627 (9): 2112–2114. doi:10.1002/1521-3749(200109)627:9<2112::AID-ZAAC2112>3.0.CO;2-2. 
  2. ^ Wickleder, Mathias S. Devillanova, Francesco A. , 编. Handbook of chalcogen chemistry: new perspectives in sulfur, selenium and tellurium. Royal Society of Chemistry. 2007: 359–361 [2022-01-02]. ISBN 978-0-85404-366-8. (原始内容存档于2021-12-02). 

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硫酸金(II)
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