{{Chembox | ImageFile = File:NaCl polyhedra.svg | ImageSize = 200px | ImageAlt = | IUPACName = | OtherNames = Scandium monophosphide,<ref>{{cite book |last1=Gschneidner (Jr.) |first1=Karl A. |last2=Eyring |first2=LeRoy |title=Handbook on the Physics and Chemistry of Rare Earths: without special title |date=1978 |publisher=North-Holland Publishing Company |isbn=978-0-444-82507-0 |page=287 |url=https://books.google.com/books?id=ROzvAAAAMAAJ&q=Scandium+phosphide+ScP |access-date=10 December 2021 |language=en}}</ref> phosphanylidynescandium | Section1 = {{Chembox Identifiers | CASNo = 12202-43-6 | PubChem = 82969 | ChemSpiderID = 74860 | EINECS = 235-381-4 | SMILES = [Sc+3].[P-3] | StdInChI= 1S/P.Sc | StdInChIKey= QWQKEJRTWGEIBF-UHFFFAOYSA-N }} | Section2 = {{Chembox Properties | Formula = ScP | Sc=1|P=1 | Appearance = | Density = | Solubility = | MeltingPtC = | BoilingPtC = | VaporPressure = }} | Section4 = {{Chembox Structure | Structure_ref =<ref name=Parthe1963 /> | CrystalStruct = Rock salt structure | SpaceGroup = Fm{{overline|3}}m | PointGroup = | LattConst_a = 0.5312 nm | LattConst_b = | LattConst_c = | LattConst_alpha = | LattConst_beta = | LattConst_gamma = | LattConst_ref = | LattConst_Comment = | UnitCellVolume = | UnitCellFormulas = 4 | Coordination = Octahedral at Sc<sup>3+</sup>, Octahedral at P<sup>3-</sup> | MolShape = | OrbitalHybridisation = | Dipole = }} | Section7 = {{Chembox Hazards | MainHazards = | GHSPictograms = | GHSSignalWord = | HPhrases = | PPhrases = | FlashPtC = | AutoignitionPt = }} | Section9 = {{Chembox Related | OtherAnions = {{ubl|Scandium nitride|Scandium arsenide|Scandium antimonide}} | OtherCations = {{ubl|Cerium phosphide|Yttrium phosphide|Lutetium phosphide}} | OtherFunction = | OtherFunction_label = | OtherCompounds = }} }}

'''Scandium phosphide''' is an inorganic compound of scandium and phosphorus with the chemical formula {{chem2|ScP|auto=1}}.<ref>{{cite web |title=Scandium Phosphide |url=https://www.americanelements.com/scandium-phosphide-12202-43-6 |publisher=American Elements |access-date=10 December 2021 |language=en}}</ref><ref>{{cite web |title=scandium phosphide |url=https://webbook.nist.gov/cgi/formula?ID=C12202436 |publisher=National Institute of Standards and Technology |access-date=10 December 2021 |language=en}}</ref><ref>{{cite book |title=Toxic Substances Control Act (TSCA) Chemical Substance Inventory |date=1979 |publisher=U.S. Government Printing Office |page=79 |url=https://books.google.com/books?id=EwXoYmUt_B0C&dq=Scandium+phosphide&pg=RA2-PA49 |access-date=10 December 2021 |language=en}}</ref>

==Synthesis== ScP can be obtained by the reaction of scandium and phosphorus at 1000&nbsp;°C.<ref name=Parthe1963>{{cite journal |last1=Parthé |first1=E. |title=Note on the structure of ScP and YP |url=http://scripts.iucr.org/cgi-bin/paper?S0365110X63000141 |journal=Acta Crystallographica |access-date=12 December 2021 |pages=71 |language=en |doi=10.1107/S0365110X63000141 |date=10 January 1963|volume=16 |issue=1 |bibcode=1963AcCry..16...71P|url-access=subscription }}</ref>

:{{chem2|4 Sc + P4 → 4 ScP}}

==Physical properties== This compound is calculated to be a semiconductor used in high power, high frequency applications and in laser diodes.<ref>{{cite journal |last1=Karil |first1=Poornima |last2=Karma |first2=Nikita |last3=Choudhary |first3=K. K. |last4=Kaurav |first4=Netram |title=Effect of pressure on structural and elastic properties of Scandium phosphide |url=https://aip.scitation.org/doi/abs/10.1063/5.0000475?journalCode=apc#:~:text=Scandium%20Phosphide%20is%20a%20semiconductor,under%20the%20influence%20of%20pressure. |journal=AIP Conference Proceedings |series=Emerging Interfaces of Physical Sciences and Technology 2019: Eipt2019 |access-date=10 December 2021 |pages=030001 |doi=10.1063/5.0000475 |date=29 May 2020|volume=2224 |issue=1 |bibcode=2020AIPC.2224c0001K |s2cid=219883570|url-access=subscription }}</ref><ref>{{cite journal |last1=Perkins |first1=Peter G. |last2=Marwaha |first2=Ashok K. |last3=Stewart |first3=James J. P. |title=The band structures and magnetic properties of some transition-metal monophosphides I. Scandium phosphide |url=https://link.springer.com/article/10.1007/BF00552849 |journal=Theoretica Chimica Acta |access-date=10 December 2021 |pages=555–568 |language=en |doi=10.1007/BF00552849 |date=1 November 1981|volume=59 |issue=6 |s2cid=94901262|url-access=subscription }}</ref>

==Chemical properties== ScP can be smelted with cobalt or nickel through electric arc to obtain ScCoP and ScNiP.<ref>{{cite journal |last1=Kleinke |first1=Holger |last2=Franzen |first2=Hugo F. |title=Sc–Sc Bonding in the New Ternary Phosphide ScNiP |url=https://www.sciencedirect.com/science/article/abs/pii/S0022459697977045 |journal=Journal of Solid State Chemistry |access-date=12 December 2021 |pages=218–222 |language=en |doi=10.1006/jssc.1997.7704 |date=1 May 1998|volume=137 |issue=2 |bibcode=1998JSSCh.137..218K|url-access=subscription }}</ref>

==References== {{Reflist}}

{{Scandium compounds}} {{Phosphorus compounds}} {{Phosphides}}

Category:Phosphides Category:Scandium compounds Category:Semiconductors Category:Rock salt crystal structure