Protactinium triiodide

Chemical compound From Wikipedia, the free encyclopedia

Protactinium triiodide is an inorganic chemical compound with the chemical formula PaI3.[1][2]

Quick facts Names, Identifiers ...
Protactinium triiodide
Names
IUPAC name
Protactinium triiodide
Other names
Protactinium(III) iodide
Identifiers
3D model (JSmol)
  • InChI=1S/3HI.Pa/h3*1H;/q;;;+3/p-3
    Key: CTZOGZYRIBUUIZ-UHFFFAOYSA-K
  • I[Pa](I)I
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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Synthesis

The compound can be obtained from PaI5 by heating at 350-380 °C in a continuously pumping vacuum.[3][4]

Physical properties

PaI3 forms a dark brown solid.[3] The compound has a PaBr3 crystal structure.[3]

References

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