Heptaplatinum trisilicide - a binary inorganic compound of platinum and silicon with the formula Pt 7 Si 3 , crystals, does not dissolve in water. The compound is also assigned the formula Pt 12 Si 5 .
| Heptaplatin trisilicide | |
|---|---|
| General | |
| Systematic name | Heptaplatin trisilicide |
| Traditional names | Siliceous platinum |
| Chem. formula | Pt 7 Si 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 1449.80 g / mol |
| Density | 16.8 g / cm³ |
| Thermal properties | |
| T. decomp. | 986 ° C |
| Classification | |
| Reg. CAS number | 152064-08-9, 12066-95-4 |
Content
- 1 Receiving
- 2 Physical properties
- 3 notes
- 4 Literature
Getting
- Sintering of stoichiometric amounts of pure substances:
Physical Properties
Heptaplatin trisilicide forms tetragonal crystal crystals, space group I 4 / n , cell parameters a = 1.3404 nm, c = 0.5451 nm, Z = 8.
At a temperature of 280 ° C, a transition to the tetragonal syngony phase occurs, the cell parameters a = 1.3995 nm, c = 0.554 nm, Z = 8.
Not soluble in water.
Notes
Literature
- State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .