Protactinium(IV) oxide

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Protactinium(IV) oxide
Jmol-3D images Image 1
Molecular formula O2Pa
Molar mass 263.03 g mol−1
Appearance Black crystals
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Protactinium(IV) oxide is a chemical compound with the formula PaO2. The black oxide is formed by reducing Pa2O5 with hydrogen.[1]


  1. ^ Sellers, Philip A.; Fried, Sherman; Elson, Robert E.; Zachariasen, W. H. (1954). "The Preparation of Some Protactinium Compounds and the Metal". Journal of the American Chemical Society 76 (23): 5935. doi:10.1021/ja01652a011.