Scandium phosphide

Scandium phosphide is an inorganic compound of scandium and phosphorus with the chemical formula ScP.^[3][4][5]

Scandium phosphide

Names
Other names Scandium monophosphide,[1] phosphanylidynescandium
Identifiers
CAS Number	12202-43-6
3D model (JSmol)	Interactive image
ChemSpider	74860
ECHA InfoCard	100.032.153
EC Number	235-381-4
PubChem CID	82969
InChI InChI=1S/P.Sc Key: QWQKEJRTWGEIBF-UHFFFAOYSA-N
SMILES [Sc+3].[P-3]
Properties
Chemical formula	ScP
Molar mass	75.929670 g·mol−1
Structure[2]
Crystal structure	Rock salt structure
Space group	Fm3m
Lattice constant	a = 0.5312 nm
Formula units (Z)	4
Coordination geometry	Octahedral at Sc3+, Octahedral at P3-
Related compounds
Other anions	Scandium nitride Scandium arsenide Scandium antimonide
Other cations	Cerium phosphide Yttrium phosphide Lutetium phosphide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

ScP can be obtained by the reaction of scandium and phosphorus at 1000 °C.^[2]

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.^[6][7]

Chemical properties

ScP can be smelted with cobalt or nickel through electric arc to obtain ScCoP and ScNiP.^[8]