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Neptunium(IV) phosphide

From Wikipedia, the free encyclopedia
Neptunium(IV) phosphide
Identifiers
3D model (JSmol)
  • InChI=1S/3Np.4P
    Key: BLKYGPPFNRPFDX-UHFFFAOYSA-N
  • [Np].[Np].[Np].[P].[P].[P].[P]
Properties
Np3P4
Molar mass835 g·mol−1
Appearanceblack crystals
insoluble
Related compounds
Related compounds
Neptunium(III) phosphide
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Neptunium(IV) phosphide is a binaryinorganic compound ofneptunium metal andphosphorus with the chemical formulaNp3P4.[1]

Preparation

[edit]

Neptunium(IV) phosphide can be formed from the fusion of stoichiometric amounts of neptunium andred phosphorus in an evacuated and sealed quartz tube at 750 °C:[2][3]

3Np + 4P → Np3P4

Physical properties

[edit]

Neptunium(IV) phosphide forms black crystals ofcubic crystal system, spatial groupI 43d. Isostructural withTh3P4.[4]

It does not dissolve in water.

Chemical properties

[edit]

The compound reacts with concentratedHCl to give a green solution:[5]

Np3P4 + 12HCl → 3NpCl4 + 4PH3

References

[edit]
  1. ^Macintyre, Jane E. (23 July 1992).Dictionary of Inorganic Compounds.CRC Press. p. 3671.ISBN 978-0-412-30120-9. Retrieved5 March 2024.
  2. ^Isotopic Power Sources ...: A Compendium : Property and Processes Review. Martin Nuclear Division. 1961. p. 2-170. Retrieved19 March 2024.
  3. ^Morss, L. R.; Edelstein, Norman M.; Fuger, Jean (31 December 2007).The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5).Springer Science & Business Media. p. 743.ISBN 978-1-4020-3598-2. Retrieved19 March 2024.
  4. ^Koch, Günter (5 October 2013).Transurane: Teil C: Die Verbindungen (in German).Springer-Verlag. p. 249.ISBN 978-3-662-11547-3. Retrieved19 March 2024.
  5. ^Macintyre, Jane E. (23 July 1992).Dictionary of Inorganic Compounds.CRC Press. p. 3671.ISBN 978-0-412-30120-9. Retrieved19 March 2024.
Phosphides
Other compounds
Np(II)
  • [K(2.2.2-crypt)][NpCp'3]
Np(III)
Np(III,IV)
Np(IV)
Organoneptunium(IV) compounds
Np(V)
Neptunyl(V) compounds
Organoneptunium(V) compounds
Np(V,VI)
Neptunyl(V,VI) compounds
Np(VI)
Neptunyl(VI) compounds
Np(VII)
Binary phosphides
Ternary phosphides
Quaternary phosphides
Quinary phosphides
See also
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