Rubidium hydride is the hydride of rubidium. With the formula RbH, it is classified as an alkali metal hydride. It is a white solid and is insoluble in most solvents. It is synthesized by treating rubidium metal with hydrogen. Rubidium hydride is a powerful superbase and reacts violently with water.
 Rubidium cation, Rb+ Hydrogen anion, H− | |
| Names | |
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| IUPAC name
Rubidium hydride
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| Other names
Rubidium(I) hydride
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| RbH | |
| Molar mass | 86.476 g/mol |
| Appearance | white cubic crystals |
| Density | 2.60 g/cm3 |
| Melting point | Decomposes at 170°C |
| reacts | |
| Structure | |
| cubic, cF8 | |
| Fm3m, No. 225 | |
| Thermochemistry | |
Std enthalpy of
formation (ΔfH⦵298) |
-52.3 kJ/mol |
| Related compounds | |
Other anions
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Rubidium oxide Rubidium chloride |
Other cations
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Lithium hydride Sodium hydride Potassium hydride Caesium hydride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References
edit- ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 4–79, ISBN 0-8493-0594-2
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