五羰基溴化鎝是一種有機鎝化合物，化學式為Tc(CO)5Br。它可由十羰基二鎝在四氯化碳中和溴反應製得；[2]或由高鎝酸鉀在壓力容器內與甲酸和氫溴酸的混合物反應得到。[1]甲酸在反應中作為還原劑和羰基化試劑，以六溴合鎝(IV)酸鉀為原料，在硫酸的存在下，常壓可以得到五羰基溴化鎝：[3]
- HCOOH → CO + H2O
- 2 [TcBr6]2− + 13 CO + 3 H2O → 2 TcBr(CO)5 + 3 CO2 + 6 H+ + 10 Br−
它在二乙二醇二甲醚中被Zn–H3PO4還原，可以得到TcH(CO)5。[4]
- ^ 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 （英語）.
- ^ 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 （英語）.
- ^ 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 （英語）.
- ^ 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 （英語）. (Supp Info)
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| | 鎝(I) | |
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| | 鎝(III) | |
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| | 鎝(IV) | |
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| | 鎝(V) | |
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| | 鎝(VI) | |
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| | 鎝(VII) | |
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| | 非整數價態 | |
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