Dystronium stannide is a binary intermetallic inorganic compound of strontium and tin with the formula Sr 2 Sn, crystals.
| Stannid dystronium | |
|---|---|
| Are common | |
| Systematic name | Stannid dystronium |
| Chem. formula | Sr 2 sn |
| Rat formula | Snrs 2 |
| Physical properties | |
| condition | crystals |
| Molar mass | 293.95 g / mol |
| Density | 4.2 g / cm³ |
| Thermal properties | |
| T. melt. | 1255; 1295 ° C |
| Classification | |
| Reg. CAS number | 62432-05-7 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Dystronium stannide forms rhombic syngony crystals, space group P nma , cell parameters a = 0.8401 nm, b = 0.5378 nm, c = 1.0078 nm, Z = 4, structure like lead dichloride PbCl 2 [1] [2 ] ] [3] [4] .
The compound melts congruently at a temperature of 1255 ° C [1] (1295 ° C [5] ).
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ B. Predel. Sn-Sr (Tin-Strontium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - T. 5 J. - S. 1-2 . - DOI : 10.1007 / 10551312_2760 .
- ↑ H. Okamoto. Sn − Sr (Tin-Strontium) // Journal of Phase Equilibria and Diffusion. - 2006. - T. 27 , No. 2 . - S. 205 . - DOI : 10.1007 / s11669-006-0066-3 .
- ↑ Richard C. Ropp ,. Encyclopedia of the Alkaline Earth Compounds. - Elsevier, 2013 .-- 1187 p. - ISBN 978-0-444-59550-8 .
- ↑ K.M. Elekoeva, B.S. Karamurzov, M.S. Kardanova, P.K. Korotkov, T.A. Orkvasov, V.A. Sozaev. Contact melting of metals with the addition of alkaline earth elements in the presence of electrotransfer in contact layers // Phase transitions, ordered states and new materials. - 2009.