Polonium monoxide

Polonium monoxide (also known as polonium(II) oxide) is a chemical compound with the formula PoO. It is one of three oxides of polonium, the other two being polonium dioxide (PoO₂) and polonium trioxide (PoO₃). It is an interchalcogen.

Polonium monoxide

Names
Systematic IUPAC name Polonium monoxide
Identifiers
3D model (JSmol)	Interactive image
ChemSpider	28689619
InChI InChI=1S/O.Po/q-2;+2
SMILES [Po+2].[O-2]
Properties
Chemical formula	PoO
Molar mass	224.98 g/mol
Appearance	black solid[1][2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Appearance and preparation

Polonium monoxide is a black solid. It is formed during the radiolysis of polonium sulfite (PoSO₃) and polonium selenite (PoSeO₃).^[1][2]

Chemistry

On contact with oxygen or water, both polonium monoxide and its related hydroxide (polonium(II) hydroxide, Po(OH)₂) are oxidized quickly to Po(IV).^[2]