Trivanadium sulfide is a binary inorganic compound of vanadium and sulfur with the formula V 3 S, crystals.
| Trivanadium Sulfide | |
|---|---|
| Are common | |
| Systematic name | Trivanadium Sulfide |
| Traditional names | Vanadium Sulfur |
| Chem. formula | V 3 s |
| Physical properties | |
| condition | crystals |
| Molar mass | 184.89 g / mol |
| Density | 5.8 g / cm³ |
| Thermal properties | |
| T. decomp. | 1350 ° C |
Getting
- Heating a stoichiometric mixture of pure substances:
Physical Properties
Trivanadium sulfide forms crystals of several modifications:
- α-V 3 S, tetragonal syngony , space group I 4 2m , cell parameters a = 0.9470 nm , c = 0.4589 nm , Z = 8 , exists at temperatures above ≈900 ° С;
- α-V 3 S, tetragonal syngony , space group P 4 2 / nbc , cell parameters a = 0.9381 nm , c = 0.4663 nm , Z = 8 , exists at temperatures below ≈900 ° C [1] [2 ] ] .
The compound is formed by a peritectic reaction at a temperature of 1350 ° C.
Notes
- ↑ State Diagrams of Double Metulic Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ B. Predel. SV (Sulfur-Vanadium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5J . - S. 1-2 . - DOI : 10.1007 / 10551312_2669 .