硫氰酸铯
硫氰酸铯是一种无机化合物，化学式为CsSCN。
| 硫氰酸铯 | ||
|---|---|---|
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| 别名 | 硫氰化铯 | |
| 识别 | ||
| CAS号 | 3879-01-4 
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| SMILES |
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| 性质 | ||
| 化学式 | CCsNS | |
| 摩尔质量 | 190.99 g·mol−1 | |
| 密度 | 2.933 g·cm−3[1] | |
| 熔点 | 207 °C（480 K）[1] 210 °C（483 K）[2] | |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | ||
制备及性质
编辑它可由氢氧化铯和硫氰酸铵的反应制备[3]，或由硫氰酸和碳酸铯反应制得。它在210 °C熔化，在空气中加热至500~620 °C按下式分解：[2]
- 2 CsSCN + 5 O2 → Cs2SO4 + SO2 + 2 CO2 + N2
它和四氢噻吩氯化亚金在乙腈中反应，得到Cs[Au(SCN)2]。[4]它和草酸铯与硒酸铀酰反应，得到单斜晶系的Cs[UO2(C2O4)(NCS)]·1⁄2H2O晶体。[5]
参考文献
编辑- ^ 1.0 1.1 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.
- ^ 2.0 2.1 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.
- ^ The conductivity of thiocyanates methyl alcohol. Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character. 1997, 127 (804): 228–240. ISSN 0950-1207. doi:10.1098/rspa.1930.0053.
- ^ 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.
- ^ 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.