Lithium phosphide

Lithium phosphide
Names
	Other names Trilithium phosphide
Identifiers
CAS Number	12057-29-3;
3D model (JSmol)	Interactive image;
ChemSpider	74796;
ECHA InfoCard	100.031.824
EC Number	235-020-0;
PubChem CID	25199615;
CompTox Dashboard (EPA)	DTXSID4065232 ;
	InChI InChI=1S/3Li.H2P/h;;;1H2/q3*+1;-1 Key: IEAMEDSGNMSUND-UHFFFAOYSA-N;
	SMILES [Li+].[Li+].[Li+].[PH2-];
Properties
Chemical formula	Li3P
Molar mass	51.79 g·mol−1
Appearance	Red-brown crystals
Density	1.43
Structure
Crystal structure	cubic
Related compounds
Other cations	Scandium phosphide ; Lanthanum phosphide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Lithium phosphide is an inorganic compound of lithium and phosphorus with the chemical formula Li
₃P.^[1]^[2]

SynthesisEdit

Heating white phosphorus and lithium in an argon atmosphere:^[3]

{\ce {12Li + P_4 -> 4Li3P}}

Reaction of monolithium phosphide and lithium:

{\ce {LiP + 2Li -> Li3P}}

Physical propertiesEdit

Lithium phosphide forms red-brown crystals of hexagonal systems, space group P6₃/mmc,^[4] cell parameters a = 0.4264 nm, c = 0.7579 nm, Z = 2.^[5]^[6]

Chemical propertiesEdit

The compound can react with water to release phosphine:^[7]

{\ce {Li3P + 3H2O -> 3LiOH + PH3}}

UsesEdit

The compound is proposed to be used as a potential electrolyte for solid-state devices.^[8]

ReferencesEdit

^ "Lithium Phosphide". American Elements. Retrieved 10 December 2021.
^ Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 9. Retrieved 10 December 2021.
^ Nazri, Gholamabbas (1 April 1989). "Preparation, structure and ionic conductivity of lithium phosphide". Solid State Ionics. 34 (1–2): 97–102. doi:10.1016/0167-2738(89)90438-4.
^ "mp-736: Li3P (hexagonal, P6_3/mmc, 194)". materialsproject.org. Retrieved 10 December 2021.
^ Seel, Max; Pandey, Ravi (1990). "Band Structure and Electronic Properties of Lithium Phosphide Li3P". MRS Proceedings. 210. doi:10.1557/PROC-210-155. Retrieved 10 December 2021.
^ Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 765. Retrieved 10 December 2021.
^ Dong, Yongkwan; DiSalvo, Francis J. (15 April 2007). "Reinvestigation of trilithium phosphide, Li 3 P". Acta Crystallographica Section E. 63 (4): i97–i98. doi:10.1107/S1600536807008422.
^ Wan, Chaoying; Huang, Xingyi; Bowen, Chris (23 June 2021). Two-dimensional Inorganic Nanomaterials for Conductive Polymer Nanocomposites. Royal Society of Chemistry. ISBN 978-1-83916-260-2. Retrieved 10 December 2021.

[1] "Lithium Phosphide". American Elements. Retrieved 10 December 2021.

[2] Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 9. Retrieved 10 December 2021.

[3] Nazri, Gholamabbas (1 April 1989). "Preparation, structure and ionic conductivity of lithium phosphide". Solid State Ionics. 34 (1–2): 97–102. doi:10.1016/0167-2738(89)90438-4.

[4] "mp-736: Li3P (hexagonal, P6_3/mmc, 194)". materialsproject.org. Retrieved 10 December 2021.

[5] Seel, Max; Pandey, Ravi (1990). "Band Structure and Electronic Properties of Lithium Phosphide Li3P". MRS Proceedings. 210. doi:10.1557/PROC-210-155. Retrieved 10 December 2021.

[6] Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 765. Retrieved 10 December 2021.

[7] Dong, Yongkwan; DiSalvo, Francis J. (15 April 2007). "Reinvestigation of trilithium phosphide, Li 3 P". Acta Crystallographica Section E. 63 (4): i97–i98. doi:10.1107/S1600536807008422.

[8] Wan, Chaoying; Huang, Xingyi; Bowen, Chris (23 June 2021). Two-dimensional Inorganic Nanomaterials for Conductive Polymer Nanocomposites. Royal Society of Chemistry. ISBN 978-1-83916-260-2. Retrieved 10 December 2021.

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