Praseodymium Phosphide

Praseodymium phosphide
Names
	Other names Phosphanylidynepraseodymium
Identifiers
CAS Number	12066-49-8;
3D model (JSmol)	Interactive image;
ChemSpider	74805;
EC Number	235-068-2;
PubChem CID	82904;
	InChI InChI=1S/P.Pr Key: ZWIUVBLJANXBMO-UHFFFAOYSA-N;
	SMILES P#[Pr];
Properties
Chemical formula	PPr
Molar mass	171.88142 g·mol−1
Appearance	Dark green crystals
Solubility in water	Decomposes in water
Structure
Crystal structure	cubic
Related compounds
Other anions	Praseodymium nitride; Praseodymium arsenide; Praseodymium antimonide; Praseodymium bismuthide
Other cations	Cerium phosphide; Neodymium phosphide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

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

Synthesis

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

[math]\ce{ 4 Pr + P4 -> 4 PrP }[/math]

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

↑ 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.
↑ "Praseodymium Phosphide" (in en). American Elements. https://www.americanelements.com/praseodymium-phosphide-12066-49-8.
↑ (in en) 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. https://books.google.com/books?id=fkkJPwbY93gC&dq=Praseodymium+phosphide+PrP&pg=RA3-PA252. Retrieved 14 December 2021.
↑ O'Bannon, Loran (6 December 2012) (in en). Dictionary of Ceramic Science and Engineering. Springer Science & Business Media. p. 199. ISBN 978-1-4613-2655-7. https://books.google.com/books?id=pM_gBwAAQBAJ&dq=Praseodymium+phosphide+PrP&pg=PA199. Retrieved 14 December 2021.
↑ Mironov, K. E. (1 January 1968). "A transport reaction for the growth of praseodymium phospide" (in en). Journal of Crystal Growth 3-4: 150–152. doi:10.1016/0022-0248(68)90115-2. Bibcode: 1968JCrGr...3..150M. https://dx.doi.org/10.1016/0022-0248(68)90115-2. Retrieved 14 December 2021.
↑ Nowacki, J. D. H. Donnay, and Werner (1954) (in en). 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. https://books.google.com/books?id=cY7wPiRzlUYC&dq=Praseodymium+phosphide+PrP&pg=PA509. Retrieved 14 December 2021.
↑ 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. 1942. pp. 030001. doi:10.1063/1.5028582. Bibcode: 2018AIPC.1942c0001Y. https://aip.scitation.org/doi/10.1063/1.5028582. Retrieved 14 December 2021.

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[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" (in en). American Elements. https://www.americanelements.com/praseodymium-phosphide-12066-49-8.

[3] (in en) 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. https://books.google.com/books?id=fkkJPwbY93gC&dq=Praseodymium+phosphide+PrP&pg=RA3-PA252. Retrieved 14 December 2021.

[4] O'Bannon, Loran (6 December 2012) (in en). Dictionary of Ceramic Science and Engineering. Springer Science & Business Media. p. 199. ISBN 978-1-4613-2655-7. https://books.google.com/books?id=pM_gBwAAQBAJ&dq=Praseodymium+phosphide+PrP&pg=PA199. Retrieved 14 December 2021.

[5] Mironov, K. E. (1 January 1968). "A transport reaction for the growth of praseodymium phospide" (in en). Journal of Crystal Growth 3-4: 150–152. doi:10.1016/0022-0248(68)90115-2. Bibcode: 1968JCrGr...3..150M. https://dx.doi.org/10.1016/0022-0248(68)90115-2. Retrieved 14 December 2021.

[6] Nowacki, J. D. H. Donnay, and Werner (1954) (in en). 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. https://books.google.com/books?id=cY7wPiRzlUYC&dq=Praseodymium+phosphide+PrP&pg=PA509. Retrieved 14 December 2021.

[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. 1942. pp. 030001. doi:10.1063/1.5028582. Bibcode: 2018AIPC.1942c0001Y. https://aip.scitation.org/doi/10.1063/1.5028582. Retrieved 14 December 2021.