Osmium dioxide

Osmium dioxide is an inorganic compound with the formula OsO2. It exists as brown to black crystalline powder, but single crystals are golden and exhibit metallic conductivity. The compound crystallizes in the rutile structural motif, i.e. the connectivity is very similar to that in the mineral rutile.

Osmium dioxide
Names
IUPAC name
Osmium dioxide
Other names
Osmium(IV) oxide
Identifiers
Properties
OsO2
Molar mass 222.229 g/mol
Appearance black or yellow brown
Density 11.4 g/cm3
Melting point 500 °C (932 °F; 773 K) (decomposes)
Related compounds
Related osmium oxides
Osmium tetroxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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