Plutonium(III) phosphide

Plutonium(III) phosphide is a binary inorganic compound of plutonium and phosphorus with the formula PuP.^[2][3]

Plutonium(III) phosphide

Names
Other names Plutonium monophosphide[1]
Identifiers
CAS Number	12680-25-0
3D model (JSmol)	Interactive image
InChI InChI=1S/P.Pu Key: PLULROOTRMPUIM-UHFFFAOYSA-N
SMILES [Pu]#[P]
Properties
Chemical formula	PPu
Molar mass	274.97
Appearance	Black crystals
Density	10.08 g/cm3
Structure
Crystal structure	Cubic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Fusion of excess phosphorus and powdered plutonium, followed by distillation of unreacted phosphorus:^[4]

4 Pu + P₄ → 4 PuP

Passing phosphine through heated plutonium hydride:

PuH₃ + PH₃ → PuP + 3 H₂

Physical properties

Plutonium(III) phosphide forms black crystals of a cubic system, space group Fm3m,^[5] cell parameters a = 0.5660 nm, Z = 4, structure of the NaCl type.^[6][7]