Praseodymium monophosphide
{{redirects|Praseodymium phosphide|the pentaphosphide|Praseodymium pentaphosphide}}
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| IUPACName =
| OtherNames = Phosphanylidynepraseodymium
| Section1 = {{Chembox Identifiers
| CASNo = 12066-49-8
| PubChem = 82904
| ChemSpiderID = 74805
| EINECS = 235-068-2
| SMILES = P#[Pr]
| StdInChI= 1S/P.Pr
| StdInChIKey= ZWIUVBLJANXBMO-UHFFFAOYSA-N
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| Section2 = {{Chembox Properties
| Pr=1|P=1
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| Solubility = Decomposes in water
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| Section4 = {{Chembox Structure
| CrystalStruct = cubic
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| Section7 = {{Chembox Hazards
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| Section9 = {{Chembox Related
| OtherAnions = Praseodymium nitride
Praseodymium arsenide
Praseodymium antimonide
Praseodymium bismuthide
| OtherCations = Cerium phosphide
Neodymium phosphide
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Praseodymium monophosphide is an inorganic compound of praseodymium and phosphorus with the chemical formula PrP.{{cite web |title=Praseodymium Phosphide |url=https://www.americanelements.com/praseodymium-phosphide-12066-49-8 |publisher=American Elements |access-date=14 December 2021 |language=en}}{{cite book |title=Toxic Substances Control Act (TSCA) Chemical Substance Inventory. Cumulative Supplement to the Initial Inventory: User Guide and Indices |date=1980 |publisher=United States Environmental Protection Agency |page=252 |url=https://books.google.com/books?id=fkkJPwbY93gC&dq=Praseodymium+phosphide+PrP&pg=RA3-PA252 |access-date=14 December 2021 |language=en}}{{cite book |last1=O'Bannon |first1=Loran |title=Dictionary of Ceramic Science and Engineering |date=6 December 2012 |publisher=Springer Science & Business Media |isbn=978-1-4613-2655-7 |page=199 |url=https://books.google.com/books?id=pM_gBwAAQBAJ&dq=Praseodymium+phosphide+PrP&pg=PA199 |access-date=14 December 2021 |language=en}} The compound forms crystals.
Synthesis
Praseoymium monophosphide can be prepared by heating praseodymium and phosphorus in the presence of iodine vapor:{{cite journal |last1=Mironov |first1=K. E. |title=A transport reaction for the growth of praseodymium phospide |url=https://dx.doi.org/10.1016/0022-0248%2868%2990115-2 |journal=Journal of Crystal Growth |access-date=14 December 2021 |pages=150–152 |language=en |doi=10.1016/0022-0248(68)90115-2 |date=1 January 1968|volume=3-4 |bibcode=1968JCrGr...3..150M |url-access=subscription }}
:{{chem2 | 4 Pr + P4 -> 4 PrP }}
Physical properties
Praseodymium monophosphide forms crystals of a cubic system, space group Fm{{overline|3}}m, with cell parameters a = 0.5872 nm, Z = 4, and structure like sodium chloride NaCl.{{cite book |last1=Nowacki |first1=J. D. H. Donnay, and Werner |title=Crystal Data: Classification of Substances by Space Groups and their Identification from Cell Dimensions |date=1954 |publisher=Geological Society of America |isbn=978-0-8137-1060-0 |page=509 |url=https://books.google.com/books?id=cY7wPiRzlUYC&dq=Praseodymium+phosphide+PrP&pg=PA509 |access-date=14 December 2021 |language=en}}{{cite conference |last1=Yaduvanshi |first1=Namrata |last2=Singh |first2=Sadhna |title=Exploration of pressure induced phase transition in praseodymium phosphide (PrP) with the NaCl-type structure |url=https://aip.scitation.org/doi/10.1063/1.5028582 |conference=Dae Solid State Physics Symposium 2017 |series=AIP Conference Proceedings |access-date=14 December 2021 |pages=030001 |doi=10.1063/1.5028582 |date=10 April 2018|volume=1942 |issue=1 |bibcode=2018AIPC.1942c0001Y |url-access=subscription }} It melts congruently at 3120 °C.
References
{{Reflist}}
{{Praseodymium compounds}}
{{Phosphorus compounds}}
{{Phosphides}}