Lithium arsenide
Lithium arsenide is a binary inorganic compound of lithium and arsenic with the chemical formula LiAs.[1][2]
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| Other names
Litium monoarsenide | |
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3D model (JSmol) |
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| Properties | |
| AsLi | |
| Molar mass | 81.86 |
| Appearance | Crystals |
| Density | 3.71 g/cm3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
Heating stoichiometric amounts of arsenic and lithium in an inert atmosphere:
- Li + As → LiAs
Phsysical properties
Lithium arsenide forms monoclinic crystals, space group P21/c,[3] cell parameters a = 0.579 nm, b = 0.524 nm, c = 1.070 nm, β = 117.4°, Z = 8.[4]
References
- "mp-7943: LiAs (monoclinic, P2_1/c, 14)". materialsproject.org. Retrieved 13 January 2022.
- Toxic Substances Control Act (TSCA) Chemical Substance Inventory. U.S. Government Printing Office. 1979. p. 46. Retrieved 13 January 2022.
- Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 211. Retrieved 13 January 2022.
- Cromer, D. T. (1 January 1959). "The crystal structure of LiAs". Acta Crystallographica. 12 (1): 36–41. doi:10.1107/S0365110X59000111. Retrieved 13 January 2022.
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