Samarium pentaphosphide

Samarium pentaphosphide

Identifiers
CAS Number	54466-01-2  Y
3D model (JSmol)	Interactive image
InChI InChI=1S/5P.Sm Key: BOIVIBBFKRHHPN-UHFFFAOYSA-N
SMILES [Sm].[P].[P].[P].[P].[P]
Properties
Chemical formula	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). Infobox references

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.