Plutonium selenide is a binary inorganic compound of plutonium and selenium with the chemical formula PuSe.[1][2] The compound forms black crystals and does not dissolve in water.
| Names | |
|---|---|
| Other names
Plutonium monoselenide, Plutonium(II) selenide
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| PuSe | |
| Molar mass | 323.024 |
| Appearance | Black crystals |
| Melting point | 2,075 °C (3,767 °F; 2,348 K) |
| insoluble | |
| Hazards | |
| GHS labelling: | |
| Warning | |
| Related compounds | |
Other anions
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Plutonium sulfide Plutonium telluride |
Other cations
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Magnesium selenide Strontium selenide Barium selenide Iron(II) selenide Iron(III) selenide Lead(II) selenide Praseodymium selenide |
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
editReaction of diplutonium triselenide and plutonium trihydride:
![{\displaystyle {\ce {2{Pu2Se3}+2{PuH3}->[{\text{1600 °C}}]4{PuSe}+3{H2}}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2edee8c41b0e28c75b829e380096614988478748)
Fusion of stoichiometric amounts of pure substances:
![{\displaystyle {\ce {{Pu}+{Se}->[{\text{220–1000 °C}}]PuSe}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/53a93aa10bdd6c8892cecf19f3f03b24268ee05f)
Properties
editPlutonium selenide forms black crystals of a cubic system, space group Fm3m, cell parameters a = 0.57934 nm, Z = 4, structure of the NaCl type.[3][4]
With increasing pressure, two phase transitions occur: at 20 GPa into the trigonal system and at 35 GPa into the cubic system, a structure of the CsCl type.
Its magnetic susceptibility follows the Curie-Weiss law.[5]
References
edit- ^ Eyring, LeRoy; O'Keeffe, Michael (1970). The Chemistry of Extended Defects in Non-metallic Solids: Proceedings of the Institute for Advanced Study on the Chemistry of Extended Defects in Non-Metallic Solids, Casa Blanca Inn, Scottsdale, Arizona, April 16-26, 1969. North-Holland Publishing Company. p. 140. ISBN 978-0-7204-0164-6. Retrieved 6 August 2021.
- ^ Burke, Robert (17 June 2013). Hazardous Materials Chemistry for Emergency Responders. CRC Press. p. 85. ISBN 978-1-4398-4986-6. Retrieved 6 August 2021.
- ^ Gensini, M.; Gering, E.; Heathman, S.; Benedict, U.; Spirlet, J. C. (1 April 1990). "High-pressure phases of plutonium monoselenide studied by X-ray diffraction". High Pressure Research. 2 (5–6): 347–359. Bibcode:1990HPR.....2..347G. doi:10.1080/08957959008203187. ISSN 0895-7959. Retrieved 6 August 2021.
- ^ "WebElements Periodic Table » Plutonium » plutonium selenide". webelements.com. Retrieved 6 August 2021.
- ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3783. ISBN 978-0-412-30120-9. Retrieved 6 August 2021.