Platinum–samarium

Platinum–samarium

Names
Other names Platinum-samarium (1/1)
Identifiers
CAS Number	12137-84-7^Y
3D model (JSmol)	Interactive image
ChemSpider	57533995
PubChem CID	71352081
CompTox Dashboard (EPA)	DTXSID50777396
InChI InChI=1S/Pt.Sm Key: UJAPJHYGSSIPDS-UHFFFAOYSA-N
SMILES [Sm].[Pt]
Properties
Chemical formula	PtSm
Molar mass	345.4
Appearance	Crystals
Density	12.5
Melting point	1,810 °C (3,290 °F; 2,080 K)
Related compounds
Related compounds	Iron boride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Platinum-samarium is a binary inorganic compound of platinum and samarium with the chemical formula PtSm.^[1] This intermetallic compound forms crystals.

Synthesis

Fusion of stoichiometric amounts of pure substances:

${\displaystyle {\mathsf {Pt+Sm\ {\xrightarrow {1810^{o}C}}\ SmPt}}}$

Physical properties

Platinum-samarium forms crystals of rhombic crystal system, space group P nma, cell parameters a = 0.7148 nm, b = 0.4501 nm, c = 0.5638 nm, Z = 4, structure similar to that of iron boride (FeB).

The compound melts congruently at a temperature of ≈1810 °C.^[2]

References

1. Search Manual for Selected Powder Diffraction Data for Metals and Alloys. JCPDS--International Centre for Diffraction. 1978. p. 98. Retrieved 13 August 2021.
2. "Pt-Sm (Platinum-Samarium) - SpringerMaterials". materials.springer.com. doi:10.1007/10542753_2525. Retrieved 13 August 2021. {{cite journal}}: Cite journal requires |journal= (help)