Rubidium sesquioxide

Rubidium sesquioxide
Identifiers
3D model (JSmol)	Interactive image;
PubChem CID	160136017;
	InChI InChI=1S/3O2.4Rb/c31-2;;;;/q-2;2-1;4*+1 Key: QZSXBJDVQYXYOD-UHFFFAOYSA-N;
	SMILES [Rb+].[Rb+].[Rb+].[Rb+].[O-][O-].O=[O-].O=[O-];
Properties
Chemical formula	Rb4O6
Molar mass	437.865 g·mol−1
Appearance	Black crystals
Melting point	461 °C (862 °F; 734 K)
Structure
Crystal structure	Pu2C3 structure type (body-centered cubic)
Space group	I43d (No. 220)
Lattice constant	a = 932 pm
Formula units (Z)	4
Related compounds
Other cations	Caesium sesquioxide
Related rubidium oxides	Rubidium suboxide; Rubidium oxide; Rubidium peroxide; Rubidium superoxide; Rubidium ozonide;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Rubidium sesquioxide is a chemical compound with the formula Rb₂O₃ or more accurately Rb₄O₆. In terms of oxidation states, rubidium in this compound has a nominal charge of +1, and the oxygen is a mixed peroxide (O2−2) and superoxide (O−2) for a structural formula of (Rb⁺)₄(O−2)₂(O2−2). It has been studied theoretically as an example of a strongly correlated material.