RbHO

Rubidium hydroxide · Rubidium hydrate

Rubidium hydroxide is a highly reactive inorganic base that readily attracts moisture from the surrounding environment. It is primarily utilized in specialized chemical synthesis and as a precursor for various rubidium-based compounds in research and industrial settings.

HORb
Crystal structure of RbHO (orthorhombic, Cmc21 (No. 36))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Rubidium hydroxide, aggregated across 3 databases.

Band Gap

3.08–3.34 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

21
3 databases, 6 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for RbHO, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Cmc21 (No. 36)orthorhombic3.330.0000-4.6203.65
P21 (No. 4)monoclinic3.340.0004-4.6203.63
P21/m (No. 11)monoclinic3.110.0188-4.6023.40
Pnma (No. 62)orthorhombic3.080.0508-4.5703.12
Pnma (No. 62)Orthorhombic3.15
Cmc21 (No. 36)
P-6m2 (No. 187)
P21/m (No. 11)Monoclinic3.41
P21/m (No. 11)Monoclinic3.40
Cmc21 (No. 36)Orthorhombic3.34
Cmc21 (No. 36)Orthorhombic3.42
Cmc21 (No. 36)
Uses

Applications

Where Rubidium hydroxide is used.

Chemical synthesisCatalyst preparationLaboratory reagentSpecialty glass manufacturing
Reference

Frequently Asked Questions

Common questions about Rubidium hydroxide, answered from cross-validated data.

What is RbHO?

Rubidium hydroxide is a highly reactive inorganic base that readily attracts moisture from the surrounding environment. It is primarily utilized in specialized chemical synthesis and as a precursor for various rubidium-based compounds in research and industrial settings.

More questions
What is RbHO used for?
Rubidium hydroxide (RbHO) is used in chemical synthesis, catalyst preparation, laboratory reagent, and specialty glass manufacturing.
What is the band gap of RbHO?
Rubidium hydroxide (RbHO) has a DFT-computed band gap of 3.08–3.34 eV across 21 reported structures.
Is RbHO a metal, semiconductor, or insulator?
With a wide band gap up to 3.34 eV it is an insulator / wide-band-gap material.
Is RbHO thermodynamically stable?
Yes — Rubidium hydroxide (RbHO) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of RbHO?
The lowest-energy reported polymorph of Rubidium hydroxide (RbHO) is orthorhombic symmetry, space group Cmc21 (No. 36).
What is the density of RbHO?
The computed density of the ground-state structure of Rubidium hydroxide (RbHO) is 3.65 g/cm³.
How many polymorphs of RbHO are known?
21 structures of RbHO are reported across 3 databases, spanning 6 distinct space groups.
What elements does RbHO contain?
Rubidium hydroxide (RbHO) contains H, O, and Rb (3 elements).
Where does the data for RbHO come from?
RbHO data is cross-referenced from materials_project, mpaloe, jarvis.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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