Plutonium silicide

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Plutonium silicide - Wikipedia

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Plutonium silicide
Names
Other names Plutonium monosilicide
Identifiers
CAS Number	12038-52-7^Y
3D model (JSmol)	Interactive image
InChI InChI=1S/Pu.Si Key: OBLLPTWSBXXIIY-UHFFFAOYSA-N
SMILES [Pu].[Si]
Properties
Chemical formula	PuSi
Molar mass	272.09 g/mol
Appearance	Grey crystals
Density	10.15
Melting point	1,576^[1] °C (2,869 °F; 1,849 K)
Solubility in water	insoluble
Hazards
GHS labelling:
Signal word	Warning
Related compounds
Related compounds	Neptunium silicide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Plutonium silicide is a binary inorganic compound of plutonium and silicon with the chemical formula PuSi.^[2]^[3]^[4] The compound forms gray crystals.

Synthesis

Reaction of plutonium dioxide and silicon carbide:

{\mathsf {PuO_{2}+SiC\ {\xrightarrow {T}}\ PuSi+CO_{2}\uparrow }}

Reaction of plutonium trifluoride with silicon:

{\mathsf {4PuF_{3}+7Si\ {\xrightarrow {T}}\ 4PuSi+3SiF_{4}}}

Physical properties

Plutonium silicide forms gray crystals of orthorhombic crystal system, space group Pnma, cell parameters: a = 0.7933 nm, b = 0.3847 nm, c = 0.5727 nm, Z = 4, TiSi type structure.

At a temperature of 72 K, plutonium silicide undergoes a ferromagnetic transition.^[5]

References

^ Macintyre, Jane E. (July 23, 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3783. ISBN 9780412301209. Retrieved 16 August 2021.
^ Krikorian, Oscar H.; Hagerty, David C. (1 May 1990). "Exchange reactions of plutonium with silicides and estimation of the enthalpy of formation of Pu5Si3". Journal of Nuclear Materials. 171 (2–3): 237–244. Bibcode:1990JNuM..171..237K. doi:10.1016/0022-3115(90)90371-S. ISSN 0022-3115. Retrieved 16 August 2021.
^ "plutonium silicide - 一矽化鈽". terms.naer.edu.tw. Retrieved 16 August 2021.
^ Fish, B. R.; Keilholtz, G. W.; Snyder, W. S.; Swisher, S. D. (November 1972). CALCULATION OF DOSES DUE TO ACCIDENTALLY RELEASED PLUTONIUM FROM AN LMFBR (PDF). Nuclear Safety Information Center. p. 39. Retrieved 16 August 2021.
^ Boulet, P.; Wastin, F.; Colineau, E.; Griveau, J. C.; Rebizant, J. (July 2003). "The binary system Pu–Si: crystallochemistry and magnetic properties". Journal of Physics: Condensed Matter. 15 (28): S2305–S2308. Bibcode:2003JPCM...15S2305B. doi:10.1088/0953-8984/15/28/372. ISSN 0953-8984. S2CID 250907789. Retrieved 16 August 2021.

v t e Plutonium compounds
Plutonium(II)	PuH₂ PuB₂ PuSe PuSi
Plutonium(III)	PuAs PuH₃ PuP PuB PuF₃ PuCl₃ PuBr₃ PuI₃ PuN
Plutonium(IV)	PuC Pu(NO₃)₄ PuF₄ PuO₂ Pu(IO₃)₄ Pu(C₈H₈)₂
Plutonium(V)	PuF₅ XePuF₆
Plutonium(VI)	PuF₆
Plutonium(VIII)	PuO₄

Categories:

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v t e Silicon compounds
Si(II)	SiO SiS
Si(III)	Si₂H₆ Si₂Cl₆
Si(IV)	SiBr₄ SiC SiCl₄ SiF₄ SiH₄ SiI₄ SiAu₄ SiO₂ SiS₂ Si₃N₄ Si(N₃)₄ Si₂N₂O Si₂Cl₆O SiF₃Cl