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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).
Chemical compound

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

Preparation

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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

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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

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

Np3P4 + 12HCl → 3NpCl4 + 4PH3

References

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  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.
Np(II)
  • [K(2.2.2-crypt)][NpCp'3]
  • NpS
Np(III)
Np(IV)
Organoneptunium(IV) compounds
Np(V)
Np(VI)
Np(VII)
Binary phosphides
PH3 He
Li3P Be BP CP
+C N +O F Ne
CsxPy Ba * LuP HfP Ta W Re OsP2 Ir PtP2 AuP Hg Tl PbP7 BiP Po At Rn
Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
** AcP ThP7 Pa UP NpP PuP Am Cm BkP Cf Es Fm Md No
Ternary phosphides
Quaternary phosphides
Quinary phosphides
See also

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