Plutonium diboride

Plutonium diboride

Identifiers
CAS Number	12007-32-8  N
3D model (JSmol)	Interactive image
InChI InChI=1S/2BH2.Pu/h2*1H2; Key: JPIABPHIZVZWOR-UHFFFAOYSA-N
SMILES [Pu].[B].[B]
Properties
Chemical formula	PuB2
Molar mass	266 g·mol−1
Appearance	crystals
Density	12,06 g/cm3
Related compounds
Other cations	Neptunium diboride Uranium diboride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Plutonium trihydride is an compound of plutonium and boron with the chemical formula PuB₂. ^{[1] [2]}

Synthesis

Fusion of stoichiometric amounts of pure substances:

Pu + 2B → PuB₂

Physical properties

Plutonium diboride forms paramagnetic crystals of hexagonal crystal structure, space group P 6/mmm. ^[3]

Chemical properties

The compound decomposes upon heating:

2PuB₂ → Pu + PuB₄

References

1. Eick, Harry A. (1 August 1965). "Plutonium Borides". Inorganic Chemistry . 4 (8): 1237–1239. doi:10.1021/ic50030a037. ISSN   0020-1669 . Retrieved 5 October 2025.
2. Handbook on the Physics and Chemistry of the Actinides. North-Holland. 1984. p. 71. ISBN   978-0-444-86903-6 . Retrieved 5 October 2025.
3. McDonald, B. J.; Stuart, W. I. (10 May 1960). "The crystal structure of some plutonium borides". Acta Crystallographica . 13 (5): 447–448. Bibcode:1960AcCry..13..447M. doi:10.1107/S0365110X60001059. ISSN   0365-110X . Retrieved 5 October 2025.