Neptunium(IV) phosphide

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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 mass 835 g·mol−1
Appearance black crystals
insoluble
Related compounds
Related compounds
 Neptunium(III) phosphide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Neptunium(IV) phosphide is a binary inorganic compound of neptunium metal and phosphorus with the chemical formula Np3P4.[1]

Preparation

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

3Np + 4P → Np3P4

Physical properties

Neptunium(IV) phosphide forms black crystals of cubic crystal system, spatial group I 43d. Isostructural with Th3P4.[4]

It does not dissolve in water.

Chemical properties

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

Np3P4 + 12HCl → 3NpCl4 + 4PH3

References

  1. ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3671. ISBN 978-0-412-30120-9. Retrieved 5 March 2024.
  2. ^ Isotopic Power Sources ...: A Compendium : Property and Processes Review. Martin Nuclear Division. 1961. p. 2-170. Retrieved 19 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. Retrieved 19 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. Retrieved 19 March 2024.
  5. ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3671. ISBN 978-0-412-30120-9. Retrieved 19 March 2024.
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