Ruthenium pentacarbonyl
Ruthenium pentacarbonyl is the organoruthenium compound with the formula Ru(CO)5. It is a colorless, light-sensitive liquid that readily decarbonylates upon standing at room temperature. It is of academic interest as an intermediate for the synthesis of metal carbonyl complexes.[1]
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| Names | |
|---|---|
| Other names
Pentacarbonylruthenium | |
| Identifiers | |
| Properties | |
| Ru(CO)5 | |
| Molar mass | 241.12 |
| Appearance | colorless liquid |
| Melting point | -22 °C |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Preparation
Ru(CO)5 was originally prepared by carbonylation of ruthenium salts in the presence of a reducing agent.[2] A more recent preparation involves photolysis of triruthenium dodecacarbonyl in the presence of carbon monoxide:[1]
- Ru3(CO)12 + 3 CO ⇌ 3 Ru(CO)5
It is characterized by two intense νCO bands in the IR spectrum at 2038 and 2003 cm−1 (hexane solution).[1]
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References
- Adams, R. D.; Barnard, T. S.; Cortopassi, J. E.; Wu, W.; Li, Z. "Platinum-ruthenium carbonyl cluster complexes" Inorganic Syntheses 1998, volume 32, pp. 280-284. doi:10.1002/9780470132630.ch44
- W. Manchot, Wilhelm J. Manchot "Darstellung von Rutheniumcarbonylen und -nitrosylen" Zeitschrift für Anorganische und Allgemeine Chemie 1936, volume 226, pp. 385-415. doi:10.1002/zaac.19362260410
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