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 | |
Other names Rubidium(I) hydride | |
Identifiers | |
3D model (JSmol) | |
PubChem CID | |
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 | Rubidium oxide Rubidium chloride |
Other cations | 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). |
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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