Rubidium hydride

Rubidium hydride is a chemical compound. It contains rubidium and hydride ions. Its chemical formula is RbH. It is a strong reducing agent and will react with water, air and chlorine violently. It is made by disproportionating hydrogen by reacting hydrogen with rubidium hydroxide. This process also produces rubidium oxide. It is normally made by reacting rubidium and hydrogen.

Rubidium hydride[1]
NaCl polyhedra.png
IUPAC name Rubidium hydride
Other names Rubidium(I) hydride
Identifiers
CAS number 13446-75-8
PubChem 171411
SMILES [H-].[Rb+]
Properties
Molecular formula RbH
Molar mass 86.476 g/mol
Appearance white cubic crystals
Density 2.60 g/cm3
Melting point

Decomposes at 170°C

Solubility in water reacts
Structure
Crystal structure cubic, cF8
Space group Fm3m, No. 225
Thermochemistry
Std enthalpy of
formation
ΔfHo298
-52.3 kJ/mol
Related compounds
Other anions Rubidium oxide
Rubidium chloride
Other cations Lithium hydride
Sodium hydride
Potassium hydride
Caesium hydride
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Related pages

References

  1. Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–79, ISBN 0-8493-0594-2