Arsenic dioxide

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Arsenic dioxide
Identifiers
PubChem 158274
ChemSpider 139256
Jmol-3D images Image 1
Properties
Molecular formula AsO2 (As2O4)
Molar mass 106.920 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Arsenic dioxide is an inorganic compound with the chemical formula As2O4, containing As(III) and As(V), AsIIIAsVO4.[1]

Synthesis[edit]

It can be synthesized via the reaction below:

2 As
2
O
3
+ O
2
→ 2 As
2
O
4
(in autoclave)

Structure[edit]

It adopts a layer structure, and the coordination geometry of As(III) is triangular pyramid while As(V) is tetrahedral.[1]

References[edit]

  1. ^ a b Jones, P. G.; Beesk, W.; Sheldrick, G. M.; Sharman, E. (14 February 1980). "Arsenic dioxide". Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry 36 (2): 439–440. doi:10.1107/S0567740880003433.