Plutonium(III) bromide

Plutonium(III) bromide is an inorganic salt of bromine and plutonium with the formula PuBr3. This radioactive green solid has few uses, however it's crystal structure is often used as a structural archetype in crystallography.

Plutonium(III) bromide
Names
IUPAC name
Plutonium tribromide
Other names
Plutonium(III) bromide
Identifiers
3D model (JSmol)
Properties
Br3Pu
Molar mass 484 g·mol−1
Appearance Green[1]
Melting point 767 °C (1,413 °F; 1,040 K)[1]
Boiling point 1,463 °C (2,665 °F; 1,736 K)
Water soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Crystal structure
Crystal structure
Unit cell
PuBr3:   Pt3+   Br−

The PuBr3 crystal structure was first published in 1948 by William Houlder Zachariasen.[2] The compound forms orthorhombic crystals, a type of square antiprism, within which the Pu atoms adopt an 8 coordinate bicapped trigonal prismatic arraignment. It's Pearson symbol is oS16 with the corresponding space group No. 63 (in International Union of Crystallography classification) or Cmcm (in Hermann–Mauguin notation). The majority of trivalent chloride and bromide salts of lanthanide and actinides crystallise in the PuBr3 structure.

References
  1. Greenwood, N. N. Chemistry of the elements (2nd ed.). Boston, Mass. p. 1270. ISBN 0750633654.
  2. Zachariasen, W. H. (2 November 1948). "Crystal chemical studies of the 5f-series of elements. I. New structure types". Acta Crystallographica. 1 (5): 265–268. doi:10.1107/S0365110X48000703.
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