Iridium disulfide

From HandWiki - Reading time: 4 min


Iridium disulfide
Identifiers
3D model (JSmol)
ChemSpider
Properties
IrS2
Molar mass 256.349
Density 9300 kg m–3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Iridium disulfide is the binary inorganic compound with the formula IrS2. Prepared by the direct reaction of the elements, the compound adopts the pyrite crystal structure at high pressure.[1] At normal atmospheric pressures, an orthorhombic polymorph is observed.[2]. The high- and low-pressure forms both feature octahedral Ir centers, but the S–S distances are pressure dependent.[3] Although not practical, IrS2 is a highly active catalyst for hydrodesulfurization.[4]

References

  1. "The synthesis of iridium disulfide and nickel diarsenide having the pyrite structure". Inorganic Chemistry 7 (2): 389–390. February 1968. doi:10.1021/ic50060a047. https://htracyhall.org/ocr/HTH-Archives/Cabinet%208/Drawer%203%20(MATI%20-%20MOZ)/(Munson,%20R.A.)%20(Muntoni,%20C.)%20(Murase,%20K.)%20(linked)/(Munson,%20R.A.)%20(Muntoni,%20C.)%20(Murase,%20K.)-237_OCR.pdf. Retrieved 2019-01-19. 
  2. "Properties of the transition metal dichalcogenides: the case of IrS2 and IrSe2". Journal of Solid State Chemistry 89 (2): 315–327. 1990. doi:10.1016/0022-4596(90)90273-Z. Bibcode1990JSSCh..89..315J. 
  3. Mineral chemistry of metal sulfides. Cambridge Earth Science Series. Cambridge: Cambridge University Press. 1978. ISBN 0521214890. 
  4. "Periodic trends in hydrodesulfurization: in support of the Sabatier principle". Applied Catalysis A: General 227 (1–2): 83–96. 8 March 2002. doi:10.1016/S0926-860X(01)00924-3. 




Licensed under CC BY-SA 3.0 | Source: https://handwiki.org/wiki/Chemistry:Iridium_disulfide
24 views | Status: cached on January 27 2026 09:35:00
↧ Download this article as ZWI file
Encyclosphere.org EncycloReader is supported by the EncyclosphereKSF