Iridium(III) sulfide

Iridium(III) sulfide
Identifiers
CAS Number	12136-42-4;
Properties
Chemical formula	Ir2S3
Molar mass	480.61 g·mol−1
Appearance	black solid
Solubility in water	insoluble
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Iridium(III) sulfide is the inorganic compound with the formula Ir₂S₃. It is an insoluble black solid, prepared by heating a mixture of elemental iridium and sulfur. Crystals can be grown by chemical vapor transport 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.[1] Rh₂S₃ and Rh₂Se₃ adopt the same structure.

References

Parthée, Erwin; Hohnke, Dieter K.; Hulliger, Fritz (1967). "New structure type with octahedron pairs for rhodium(III) sulfide, rhodium(III) selenide, and iridium(III) sulfide". Acta Crystallographica. 23: 832–840. doi:10.1107/S0365110X67003767.

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[Parthee-Hohnke-and-Hullinger-1967-1] Parthée, Erwin; Hohnke, Dieter K.; Hulliger, Fritz (1967). "New structure type with octahedron pairs for rhodium(III) sulfide, rhodium(III) selenide, and iridium(III) sulfide". Acta Crystallographica. 23: 832–840. doi:10.1107/S0365110X67003767.