Neptunium diarsenide

Neptunium diarsenide

Identifiers
CAS Number	39350-10-2  Y
3D model (JSmol)	Interactive image
InChI InChI=1S/As2.Np/c1-2;/q-4;+4 Key: QGMNOYVKXOFBOP-UHFFFAOYSA-N
SMILES [As-2][As-2].[Np+4]
Properties
Chemical formula	NpAs 2
Molar mass	386.84
Appearance	Crystals
Related compounds
Related compounds	Neptunium arsenide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Neptunium diarsenide is a binary inorganic compound of neptunium and arsenic with the chemical formula NpAs
_². ^{[1] [2]} The compound forms crystals. ^[3]

Synthesis

Heating stoichiometric amounts of neptunium hydride and arsenic: ^[4]

${\displaystyle {\mathsf {NpH_{x}+2As\ {\xrightarrow {450^{o}C}}\ NpAs_{2}+(x/2)H_{2}}}}$

Physical properties

Neptunium diarsenide forms crystals of the tetragonal system, ^[5] space group P4/nmm, cell parameters a = 0.3958 nm, c = 0.8098 nm.

References

1. Charvillat, J. P.; Damien, D. (1973). "Neptunium diarsenide and monoarsenide | J.P. Charvillat; D. Damien | download" . Inorganic and Nuclear Chemistry Letters . 9: 337. doi:10.1016/0020-1650(73)80241-7 . Retrieved 9 August 2021.
2. Nuclear Science Abstracts. Oak Ridge Directed Operations, Technical Information Division. April 1973. p. 2593. Retrieved 9 August 2021.
3. Blaise, A.; Fournier, J.; Damien, D.; Wojakowski, A.; Charvillat, J. P. (1982). "Magnetic properties of neptunium diarsenide". Journal of Magnetism and Magnetic Materials . 30 (2): 265–268. Bibcode:1982JMMM...30..265B. doi:10.1016/0304-8853(82)90207-4. S2CID   120595687.
4. Addison, C. C. (31 October 2007). Inorganic Chemistry of the Main-Group Elements: Volume 2. Royal Society of Chemistry. p. 533. ISBN   978-1-84755-638-7 . Retrieved 9 August 2021.
5. Physica B + C. North-Holland Publishing Company. 1985. p. 102. Retrieved 11 January 2022.