- Source: Chromium(III) sulfide
Chromium(III) sulfide is the inorganic compound with the formula Cr2S3. It is a brown-black solid. Chromium sulfides are usually nonstoichiometric compounds, with formulas ranging from CrS to Cr0.67S (corresponding to Cr2S3).
Preparation
Chromium(III) sulfide can be prepared through the reaction of a stoichiometric mixture of the elements at 1000 °C
2
C
r
+
3
S
⟶
C
r
2
S
3
{\displaystyle \mathrm {2\ Cr+3\ S\longrightarrow Cr_{2}S_{3}} }
It is a solid that is insoluble in water. According to X-ray crystallography, its structure is a combination of that of nickel arsenide (1:1 stoichiometry) and Cd(OH)2 (1:2 stoichiometry). Some metal-metal bonding is indicated by the short Cr-Cr distance of 2.78 Å.
See also
Brezinaite, a mineral with the formula Cr3S4
References
Kata Kunci Pencarian:
- Kamus rumus kimia
- Galium
- Arsen
- Tembaga
- Hidrogen
- Belerang
- Eniya Listiani
- Seng
- Molibdenum
- Paladium
- Chromium(III) sulfide
- Chromium(II) sulfide
- Chromium
- Chromium(III) telluride
- List of inorganic pigments
- List of inorganic compounds
- List of CAS numbers by chemical compound
- Glossary of chemical formulae
- Chrome yellow
- Tanning (leather)
