五羰基溴化锝
五羰基溴化锝是一种有机锝化合物，化学式为Tc(CO)5Br。它可由十羰基二锝在四氯化碳中和溴反应制得；[2]或由高锝酸钾在压力容器内与甲酸和氢溴酸的混合物反应得到。[1]甲酸在反应中作为还原剂和羰基化试剂，以六溴合锝(IV)酸钾为原料，在硫酸的存在下，常压可以得到五羰基溴化锝：[3]
| 五羰基溴化锝 | |
|---|---|
| |
| 识别 | |
| CAS号 | 15841-97-1（99Tc） 
|
| 性质 | |
| 化学式 | C5BrO5Tc |
| 摩尔质量 | 316.95 g·mol−1 |
| 外观 | 无色晶体 |
| 密度 | 2.429 g·cm−3[1] |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
- HCOOH → CO + H2O
- 2 [TcBr6]2− + 13 CO + 3 H2O → 2 TcBr(CO)5 + 3 CO2 + 6 H+ + 10 Br−
参考文献
编辑- ^ 1.0 1.1 G. V. Sidorenko, V. V. Gurzhii, A. E. Miroslavov, O. V. Sizova, S. V. Krivovichev, A. A. Lumpov, D. N. Suglobov. Crystal and molecular structure of [TcCl(CO)5] and [TcBr(CO)5]. Correlations with the reactivity and electronic structure. Radiochemistry. 2009-06, 51 (3): 237–243 [2020-12-09]. ISSN 1066-3622. doi:10.1134/S1066362209030047 （英语）.
- ^ J. C. Hileman, D. K. Huggins, H. D. Kaesz. Derivatives of Technetium Carbonyl. Synthesis and Properties of the Carbonyl Halides and the Pentacarbonyl Hydride. Inorganic Chemistry. 1962-11, 1 (4): 933–938 [2020-12-09]. ISSN 0020-1669. doi:10.1021/ic50004a048 （英语）.
- ^ Alexander E. Miroslavov, Henrik Braband, Georgii V. Sidorenko, Ekaterina S. Stepanova, Alexander A. Lumpov, Roger Alberto. Synthesis of [99TcX(CO)5] (X = Cl, Br, I) at ambient pressure. Journal of Organometallic Chemistry. 2018-09, 871: 56–59 [2020-12-09]. doi:10.1016/j.jorganchem.2018.06.028 （英语）.
- ^ Alexander E. Miroslavov, Anna P. Shishkina, Georgy V. Sidorenko, Vladislav V. Gurzhiy, Daniil A. Maltsev, Ekaterina V. Kurysheva. Hydrolysis of Hexacarbonyltechnetium(I) Cation: Formation and Structure of Technetium Carbonyl Hydride 99 Tc 3 H(CO) 14. Inorganic Chemistry. 2020-07-06, 59 (13): 9239–9243 [2020-12-09]. ISSN 0020-1669. doi:10.1021/acs.inorgchem.0c01145 （英语）. (Supp Info)