Protactinium triiodide
| Names | |
|---|---|
| IUPAC name
Protactinium triiodide
| |
| Other names
Protactinium(III) iodide
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| I3Pa | |
| Molar mass | 611.74929 g·mol−1 |
| Appearance | dark brown solid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Protactinium triiodide is an inorganic chemical compound with the chemical formula PaI3.[1][2]
Synthesis
[edit]The compound can be obtained from PaI5 by heating at 350-380 °C in a continuously pumping vacuum.[3][4]
Physical properties
[edit]PaI3 forms a dark brown solid.[3] The compound has a PaBr3 crystal structure.[3]
References
[edit]- ^ "WebElements Periodic Table » Protactinium » protactinium triiodide". webelements.com. Retrieved 29 September 2025.
- ^ Brown, D. (1968). Halides of the Lanthanides and Actinides. Wiley. p. 272. ISBN 978-0-470-10840-6. Retrieved 29 September 2025.
- ^ a b c Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3502. ISBN 978-0-412-30120-9. Retrieved 29 September 2025.
- ^ Protactinium: The metal. Alloys. Compounds. Solution chemistry. Springer-Verlag. 1977. p. 70. ISBN 978-0-387-93355-9. Retrieved 29 September 2025.