Samarium pentaphosphide

Samarium pentaphosphide
Identifiers
3D model (JSmol)
  • InChI=1S/5P.Sm
    Key: BOIVIBBFKRHHPN-UHFFFAOYSA-N
  • [Sm].[P].[P].[P].[P].[P]
Properties
P5Sm
Molar mass 305.23 g·mol−1
Appearance crystals
Density 3.99 g/cm3[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Samarium pentaphosphide is a binary inorganic compound of samarium metal and phosphorus with the chemical formula SmP5.[2][3]

Preparation

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

4 Sm + 5 P4 → 4 SmP5

Properties

Samarium pentaphosphide forms crystals of monoclinic crystal system, spatial group P121/m1 or P21.[4][5] It decomposes at 700 °C.

References

  1. ^ "mp-9849: SmP5 (monoclinic, P2_1/m, 11)". Materials Project. Retrieved 16 March 2024.
  2. ^ Zeitschrift Für Kristallographie. Akademische Verlagsgesellschaft. 1998. p. 461. Retrieved 16 March 2024.
  3. ^ Max-Planck-Gesellschaft Jahrbuch. 1999. p. 249. ISBN 978-3-525-86129-5. Retrieved 16 March 2024.
  4. ^ Schnering, H. G. von; Wittmann, M.; Peters, K. (1 April 1998). "Crystal structure of praseodymium pentaphosphide, PrP5 and of samarium 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.
  5. ^ Predel., B. (1998). Landolt-Börnstein - Group IV Physical Chemistry. p. 1. Retrieved 16 March 2024.

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