硫氰酸铷

硫氰酸铷

别名 硫氰化铷
识别
CAS号 3879-02-5  checkY
SMILES
 
  • [Rb+].[S-]C#N
性质
化学式 RbSCN
密度 2.557 g·cm−3[1]
熔点 195 °C(468 K)
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫氰酸铷是一种无机化合物,化学式为RbSCN,它可由硫氰酸碳酸铷反应制得。它在195 °C熔化,在空气中加热至500~600 °C按下式分解:[2]

2 RbSCN + 5 O2 → Rb2SO4 + SO2 + 2 CO2 + N2

它和四氢噻吩氯化亚金在乙腈中反应,得到Rb[Au(SCN)2]。[3]它和草酸铷硒酸铀酰反应,得到单斜晶系的Rb[UO2(C2O4)(NCS)]·12H2O晶体。[4]

参考文献

  1. ^ Prisyazhnyi, V. D.; Zmievskaya, T. A. Physical-chemical character of melts of complex compounds alkaline metal thiocyanate, trifluoroacetate-crown-ether. Ukrainskii Khimicheskii Zhurnal (Russian Edition), 2003. 69 (5-6): 9-16. ISSN: 0041-6045.
  2. ^ Ptaszyński, B.; Skiba, E.; Krystek, J. Thermal decomposition of alkali metal, copper(I) and silver(I) thiocyanates. Thermochimica Acta. 1998, 319 (1-2): 75–85. ISSN 0040-6031. doi:10.1016/S0040-6031(98)00391-8. 
  3. ^ Coker, Nathan L.; Krause Bauer, Jeanette A.; Elder, R. C. Emission Energy Correlates with Inverse of Gold−Gold Distance for Various [Au(SCN)2] Salts. Journal of the American Chemical Society. 2004, 126 (1): 12–13. ISSN 0002-7863. doi:10.1021/ja037012f. 
  4. ^ Medrish, I. V.; Peresypkina, E. V.; Virovets, A. V.; Serezhkina, L. B. Synthesis and structure of M[UO2(C2O4)​(NCS)​]​·0.5H2O (M = Rb or Cs). Zhurnal Neorganicheskoi Khimii, 2008. 53 (7): 1121-1126. ISSN: 0044-457X.

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