Lithium phosphide
Names
Other names
Trilithium phosphide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.824 Edit this at Wikidata
EC Number
  • 235-020-0
  • InChI=1S/3Li.H2P/h;;;1H2/q3*+1;-1
    Key: IEAMEDSGNMSUND-UHFFFAOYSA-N
  • [Li+].[Li+].[Li+].[PH2-]
Properties
Li3P
Molar mass 51.79 g·mol−1
Appearance Red-brown crystals
Density 1.43
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).

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

Synthesis

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

Reaction of monolithium phosphide and lithium:

Physical properties

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 properties

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

Uses

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

References

  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.