Chemistry:Platinum–samarium
From HandWiki
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| Other names
Platinum-samarium (1/1)
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
PubChem CID
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| Properties | |
| 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
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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:
- [math]\displaystyle{ \mathsf{ Pt + Sm \ \xrightarrow{1810^oC}\ SmPt } }[/math]
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
- ↑ (in en) Search Manual for Selected Powder Diffraction Data for Metals and Alloys. JCPDS--International Centre for Diffraction. 1978. p. 98. https://books.google.com/books?id=UvbkAAAAMAAJ&q=Platinum-samarium+PtSm. Retrieved 13 August 2021.
- ↑ (in en) Pt-Sm (Platinum-Samarium) - SpringerMaterials. materials.springer.com. doi:10.1007/10542753_2525. https://materials.springer.com/lb/docs/sm_lbs_978-3-540-70692-2_2525. Retrieved 13 August 2021.
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