Potassium tetracarbonyliron hydride
Potassium tetracarbonyliron hydride is the inorganic salt with the formula K[HFe(CO)4]. A pale yellow solid, it is the potassium salt of [HFe(CO)4]−, which is the conjugate base of iron tetracarbonyl hydride:[1]
- H2Fe(CO)4 + KOH → K[HFe(CO)4] + H2O
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| Names | |
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| Other names
potassium tetracarbonylhydroferrate(1-) | |
| Identifiers | |
3D model (JSmol) |
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| Properties | |
| C4HFeKO4 | |
| Molar mass | 207.991 g·mol−1 |
| Appearance | yellow solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Potassium tetracarbonyliron hydride is prepared by treating iron pentacarbonyl with potassium hydroxide:[2]
- Fe(CO)5 + 2 KOH → K[HFe(CO)4] + KHCO3
Potassium tetracarbonyliron hydride is an intermediate in the synthesis of trisubstituted phosphine complexes:[3]
- K[HFe(CO)4] + 3 PBu3 + EtOH → Fe(CO)2(PBu3)3 + EtOK + 2 CO + H2
References
- Brunet, Jean-Jacques (1998). "Coordination chemistry of Mononuclear Iron Carbonyl Complexes". Coordination Chemistry Reviews. 178–180: 331–351. doi:10.1016/S0010-8545(98)00075-7.
- Brunet, J.-J.; Kindela, F. B.; Neibecker, D. (1992). "trans-Tricarbonylbis(Phosphine)Iron(0) Complexes: One-Pot Syntheses from Pentacarbonyliron". Inorganic Syntheses. 29: 151–156. doi:10.1002/9780470132609.ch36.
- Brunet, J.-J.; Kindela, F. B.; Neibecker (2007) [1996]. "One-Pot Synthesis of Dicarbonyltris(Phosphane)Iron(0) Complexes from Pentacarbonyliron". Inorganic Syntheses. 31: 202–210. doi:10.1002/9780470132623.ch30.
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