Iridium(III) sulfide is the
inorganic compound
In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemist ...
with the formula Ir
2S
3. It is an insoluble black solid, prepared by heating a mixture of elemental iridium and sulfur. Crystals can be grown by
chemical vapor transport
In chemistry, a chemical transport reaction describes a process for purification and crystallization of non- volatile solids. The process is also responsible for certain aspects of mineral growth from the effluent of volcanoes. The technique is ...
using
bromine as the transporting agent. The structure consists of
octahedral and tetrahedral Ir and S centers, respectively. No close Ir-Ir contacts are observed.
Rh2S3 and Rh
2Se
3 adopt the same structure.
References
{{Sulfides
Sesquisulfides
Iridium compounds