二硫化钯

二硫化钯
别名 二硫化钯(II)
识别
CAS号 12137-75-6  checkY
SMILES
 
  • [S-][S-].[Pd+2]
性质
化学式 PdS2
外观 灰色固体[1] 或黑色晶体[2]
相关物质
其他阴离子 PdSe2PdTe2
其他阳离子 PtS2RuS2IrS2
相关化学品 PdS
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

二硫化钯二硫化物,化学式 PdS2[1]

制备

二硫化钯可以由硫化钯和过量的硫加热反应而成。[1]

PdS + S → PdS2

不过,就算加热几个月,还是会有没参与反应的反应物。另一种制备方法是在密封管中反应氯化钯和过量的硫在 450 °C ,然后用二硫化碳洗涤。这会产生不含 PdS 的 PdS2[2]

结构

PdS2 含有硫-硫键,可看作是一种二硫化物,由 S22− 和Pd2+ 组成。[3]二硫化钯是片状结构的,有平面正方形结构的钯原子中心和三角锥形的硫原子。[2]

相关化合物

其它硫化钯也是已知的,例如 Pd4S、Pd2.8S、Pd2.2S 和 PdS。[2]

参见

参考资料

  1. ^ 1.0 1.1 1.2 Greenwood, Norman Neill; Earnshaw, Alan. Chemistry of the elements. 2016: 1152. ISBN 978-0-7506-3365-9. OCLC 1040112384 (英语). 
  2. ^ 2.0 2.1 2.2 2.3 Grønvold, Fredrik; Røst, Erling. On the Sulfides, Selenides, and Tellurides of Palladium.. Acta Chemica Scandinavica. 1956, 10: 1620–1634. doi:10.3891/acta.chem.scand.10-1620可免费查阅. 
  3. ^ Selb, Elisabeth; Götsch, Thomas; Janka, Oliver; Penner, Simon; Heymann, Gunter. Crystal Structures of the High‐Pressure Palladium Dichalcogenides Pd0.94(1)S2 and Pd0.88(1)Se2 Comprising Exceptional PdIV Oxidation States. Z. Anorg. Allg. Chem. 2017, 643 (21): 1415–1423. doi:10.1002/zaac.201700140可免费查阅. 

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