Thymus

by | Mar 15, 2018 | Thymus

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Praseodymium pentaphosphide is a binary inorganic compound of praseodymium metal and phosphorus with the chemical formula PrP5.

Preparation

Praseodymium pentaphosphide can be prepared by heating stoichiometric amounts of praseodymium and phosphorus at 700 °C:

Pr + 5P → PrP5

Properties

Praseodymium pentaphosphide crystallizes in the monoclinic crystal system, space group P21/m, cell parameters a = 0.4938 nm, b = 0.9595 nm, c = 0.5482 nm, β = 103.64°, Z = 2, with the same structure as neodymium pentaphosphide (NdP5).[1][2]

The compound is formed by a peritectic reaction at a temperature of 697 °C.[3]

References

  1. ^ Schnering, H. G. von; Wittmann, M.; Peters, K. (1 April 1998). "Crystal structure of praseodymium pentaphosphide, PrP5 and of praseodymium pentaphosphide, SmP5". Zeitschrift für Kristallographie - New Crystal Structures (in German). 213 (1–4): 489–490. doi:10.1524/ncrs.1998.213.14.489. ISSN 2197-4578. Retrieved 16 March 2024.
  2. ^ Predel, B., "P-Pr (Phosphorus-Praseodymium)", Ni-Np – Pt-Zr, Berlin/Heidelberg: Springer-Verlag, pp. 1–2, doi:10.1007/10542753_2369, ISBN 3-540-61712-4, retrieved 2024-03-17
  3. ^ Diagrammy sostojanija dvojnych metalličeskich sistem: spravočnik v trech tomach. 3,1. Moskva: Mašinostroenie. 2001. ISBN 978-5-217-02843-6.
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