Pentacarbonylhydridorhenium
(Redirected from Hydridorheniumpentacarbonyl)
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| Template:Longitem | ReH(CO)5 |
| Molar mass | 327.265 g/mol |
| Appearance | Colorless liquid |
| Density | 2.30 g/mL, liquid |
| Melting point | Template:Chembox CalcTemperatures |
| Boiling point | Template:Chembox CalcTemperatures |
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Pentacarbonylhydridorhenium is a chemical compound with the formula ReH(CO)5. This colorless liquid is a weak acid and represents one of the most important derivatives of dirhenium decacarbonyl (Re2(CO)10). It is synthesized by treating a methanolic solution of bromopentacarbonylrhenium(I) (Re(CO)5Br) with zinc and acetic acid (HOAc).[1]
- Re(CO)5Br + Zn + HOAc → ReH(CO)5 + ZnBrOAc
It is moderately sensitive to light: samples turn yellow due to the formation of the metal cluster Re3H(CO)14
- 3 Re(CO)5H → Re3H(CO)14 + H2 + CO
At 100 °C, it decomposes to Re2(CO)10:[1]
- 2 Re(CO)5H → H2 + Re2(CO)10