Neptunium Diarsenide

From Handwiki
Neptunium diarsenide
Identifiers
Properties
NpAs2
Molar mass 386.84
Appearance Crystals
Related compounds
Related compounds
 Neptunium arsenide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Neptunium diarsenide is a binary inorganic compound of neptunium and arsenic with the chemical formula NpAs2.[1][2] The compound forms crystals.[3]

Synthesis

Heating stoichiometric amounts of neptunium hydride and arsenic:[4]

[math]\displaystyle{ \mathsf{ NpH_x + 2As \ \xrightarrow{450^oC}\ NpAs_2 + (x/2)H_2 } }[/math]

Physical properties

Neptunium diarsenide forms crystals of the tetragonal system,[5] space group P4/nmm, cell parameters a = 0.3958 nm, c = 0.8098 nm.

References

  1. ↑ Charvillat, J. P.; Damien, D. (1973). "Neptunium diarsenide and monoarsenide | J.P. Charvillat; D. Damien | download". Inorganic and Nuclear Chemistry Letters 9: 337. doi:10.1016/0020-1650(73)80241-7. https://ur.booksc.eu/book/2144181/07d0fc. Retrieved 9 August 2021. 
  2. ↑ (in en) Nuclear Science Abstracts. Oak Ridge Directed Operations, Technical Information Division. April 1973. p. 2593. https://books.google.com/books?id=FqdHAQAAMAAJ&q=Neptunium+diarsenide&pg=PA2593. Retrieved 9 August 2021. 
  3. ↑ Blaise, A.; Fournier, J.; Damien, D.; Wojakowski, A.; Charvillat, J. P. (1982). "Magnetic properties of neptunium diarsenide". Journal of Magnetism and Magnetic Materials 30 (2): 265–268. doi:10.1016/0304-8853(82)90207-4. Bibcode: 1982JMMM...30..265B. 
  4. ↑ Addison, C. C. (31 October 2007) (in en). Inorganic Chemistry of the Main-Group Elements: Volume 2. Royal Society of Chemistry. p. 533. ISBN 978-1-84755-638-7. https://books.google.com/books?id=vHAoDwAAQBAJ&dq=Neptunium+diarsenide&pg=PA533. Retrieved 9 August 2021. 
  5. ↑ (in en) Physica B + C. North-Holland Publishing Company. 1985. p. 102. https://books.google.com/books?id=CHzyAAAAMAAJ&q=Neptunium+diarsenide+NpAs2+tetragonal+system. Retrieved 11 January 2022. 



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Categories: [Arsenides] [Inorganic compounds]

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