Technetium(IV) oxide

Technetium(IV) oxide
Names
Other names
  • Technetium dioxide
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
873611
  • InChI=1S/2O.Tc
  • O=[Tc]=O
Properties
TcO2
Molar mass 130.00 g/mol
Appearance Black solid
Density 6.9 g/cm3[1]
Melting point 1,100 °C (2,010 °F; 1,370 K)[3] (sublimes)
Insoluble
Solubility Slightly soluble in acid (dihydrate)[2]
Structure
Isostructural to MoO2[1]
Thermochemistry
−305.974±3.377[clarification needed units] (dihydrate)
Related compounds
Other anions
 Technetium(IV) chloride
Related compounds
 Technetium(VII) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Technetium(IV) oxide, also known as technetium dioxide, is a chemical compound with the formula TcO2 which forms the dihydrate, TcO2·2H2O, which is also known as technetium(IV) hydroxide. It is a radioactive black solid which slowly oxidizes in air.[1][4]

  1. ^ a b c A. G. Sharpe; H. J. Emeléus (1968). Advances in Inorganic Chemistry and Radiochemistry. Elsevier Science. p. 21. ISBN 9780080578606.
  2. ^ Cite error: The named reference critic was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference magnet was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference radio was invoked but never defined (see the help page).