Copper (II) tellurite is an inorganic compound, a salt of copper and telluric acid with the formula CuTeO 3 , green [1] or black [2] crystals, does not dissolve in water, forms crystalline hydrates .
| Tellurite copper | |
|---|---|
| General | |
| Systematic name | Tellurite of copper (II) |
| Traditional names | Telluric Copper |
| Chem. formula | CuTeO 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 239.14 g / mol |
| Density | 5.6 g / cm³ |
| Classification | |
| Reg. CAS number | 13812-58-3 |
| Reg. EINECS number | 237-460-9 |
| Smiles | |
Getting
- The balyakinite mineral CuTeO 3 with impurities is found in nature [3] .
- In nature, the gremitite mineral CuTeO 3 • H 2 O with impurities is found [4] .
- Theiteiteite mineral CuTeO 3 • 2H 2 O with impurities is found in nature [5] .
- The exchange reaction of the soluble salt of copper and sodium tellurite
- {\ displaystyle {\ mathsf {CuSO_ {4} + Na_ {2} TeO_ {3} \ {\ xrightarrow {}} \ CuTeO_ {3} \ downarrow + Na_ {2} SO_ {4}}}}
Physical Properties
Copper (II) tellurite forms rhombic syngony crystals, space group P mcn , cell parameters a = 0.7604 nm, b = 0.5837 nm, c = 1.2705 nm, Z = 8 [6] .
Not soluble in water.
It forms crystalline hydrates of the composition CuTeO 3 • n H 2 O, where n = 1 and 2.
Notes
- ↑ Chemist's Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- ↑ CRC Handbook of Chemistry and Physics . - 89th Edition. - Taylor and Francis Group, LLC, 2008-2009.
- ↑ Balyakinit. Material from GeoWiki, an open encyclopedia on Earth sciences.
- ↑ Graham. Material from GeoWiki, an open encyclopedia on Earth sciences.
- ↑ Theineitis. Material from GeoWiki, an open encyclopedia on Earth sciences.
- ↑ Lindqvist O.,. The crystal structure of 3 Locality: synthetic // Acta Chemica Scandinavica. - 1972.- T. 26 . - S. 1423-1430 .