| Names | |
|---|---|
| IUPAC name Protactinium triiodide | |
| Other names Protactinium(III) iodide | |
| 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). | |
Protactinium triiodide is an inorganic chemical compound with the chemical formula PaI3. [1] [2]
The compound can be obtained from PaI5 by heating at 350-380 °C in a continuously pumping vacuum. [3] [4]
PaI3 forms a dark brown solid. [3] The compound has a PaBr3 crystal structure. [3]