Praseodymium phosphide

Praseodymium phosphide is an inorganic compound of praseodymium and phosphorus with the chemical formula PrP.[2][3][4] The compound forms crystals.

Praseodymium phosphide
Names
Other names
Phosphanylidynepraseodymium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.868
EC Number
  • 235-068-2
  • InChI=1S/P.Pr
    Key: ZWIUVBLJANXBMO-UHFFFAOYSA-N
  • P#[Pr]
Properties
PPr
Molar mass 171.88
Appearance Dark green crystals[1]
Density g/cm3
Decomposes in water
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

Heating metal praseodymium and phosphorus in the presence of iodine vapor:[5]

Physical properties

Praseodymium phosphide forms crystals of a cubic system, space group Fm3m, with cell parameters a = 0.5872 nm, Z = 4, and structure like sodium chloride NaCl.[6][7]

The compound melts congruently at 3120 °C.

References
  1. Rowley, Adrian T.; Parkin, Ivan P. (1993). "Convenient synthesis of lanthanide and mixed lanthanide phosphides by solid-state routes involving sodium phosphide". Journal of Materials Chemistry. Royal Society of Chemistry (RSC). 3 (7): 689. doi:10.1039/jm9930300689. ISSN 0959-9428.
  2. "Praseodymium Phosphide". American Elements. Retrieved 14 December 2021.
  3. Toxic Substances Control Act (TSCA) Chemical Substance Inventory. Cumulative Supplement to the Initial Inventory: User Guide and Indices. United States Environmental Protection Agency. 1980. p. 252. Retrieved 14 December 2021.
  4. O'Bannon, Loran (6 December 2012). Dictionary of Ceramic Science and Engineering. Springer Science & Business Media. p. 199. ISBN 978-1-4613-2655-7. Retrieved 14 December 2021.
  5. Mironov, K. E. (1 January 1968). "A transport reaction for the growth of praseodymium phospide". Journal of Crystal Growth. 3–4: 150–152. Bibcode:1968JCrGr...3..150M. doi:10.1016/0022-0248(68)90115-2. Retrieved 14 December 2021.
  6. Nowacki, J. D. H. Donnay, and Werner (1954). Crystal Data: Classification of Substances by Space Groups and their Identification from Cell Dimensions. Geological Society of America. p. 509. ISBN 978-0-8137-1060-0. Retrieved 14 December 2021.{{cite book}}: CS1 maint: multiple names: authors list (link)
  7. Yaduvanshi, Namrata; Singh, Sadhna (10 April 2018). Exploration of pressure induced phase transition in praseodymium phosphide (PrP) with the NaCl-type structure. Dae Solid State Physics Symposium 2017. AIP Conference Proceedings. Vol. 1942. p. 030001. Bibcode:2018AIPC.1942c0001Y. doi:10.1063/1.5028582. Retrieved 14 December 2021.
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