Thallium(I) oxide

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Thallium(I) oxide
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Names
Other names
Thallous oxide
Identifiers
1314-12-1 YesY
EC Number 215-220-4
Jmol 3D model Interactive image
PubChem 16684203
  • InChI=1/O.2Tl/q-2;2*+1
  • O([Tl])[Tl]
Properties
Tl2O
Molar mass 424.77 g/mol
Appearance black orthorhombic crystals
hygroscopic
Density 10.45 g/cm3
Melting point 596 °C (1,105 °F; 869 K)
Boiling point 1,080 °C (1,980 °F; 1,350 K) (decomposes)
soluble
Solubility soluble in alcohol and acid
Structure
Rhombohedral, hR18[1]
R-3m, No. 166
Vapor pressure {{{value}}}
Related compounds
Other cations
 Thallium(III) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Thallium(I) oxide is the inorganic compound of thallium and oxygen with the formula Tl2O in which thallium is in its +1 oxidation state. It is black and produces a basic yellow solution of thallium(I) hydroxide (TlOH) when dissolved in water. It is formed by heating solid TlOH or Tl2CO3 in the absence of air. Thallium oxide is used to make special high refractive index glass. Thallium oxide is a component of several high temperature superconductors. Thallium(I) oxide reacts with acids to make thallium(I) salts.

Tl2O adopts the anti-cadmium iodide structure in the solid state.[1] In this way, the Tl(I) centers are pyrdamidal and the oxide centers are octahedral.

Thallium(I) oxide, like all thallium compounds, is highly toxic.

References

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External links

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  1. ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
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