Tetrairidium dodecacarbonyl

Tetrairidium dodecacarbonyl
Names
IUPAC names
dodecacarbonyl-1κ3C,2κ3C,3κ3C,4κ3C-[Td-(13)-Δ4-closo]-tetrairidium(6 Ir—Ir)
tetrahedro-tetrakis(tricarbonyliridium)(6 Ir—Ir)
Other names
iridium(0) carbonyl; iridium carbonyl; iridium dodecacarbonyl
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.038.718
EC Number
  • 242-607-5
  • InChI=1S/12CO.4Ir/c12*1-2;;;;
    Key: XWDKRVSSHIJNJP-UHFFFAOYSA-N
  • [O+]#C[Ir-3]12(C#[O+])(C#[O+])[Ir-3]3(C#[O+])(C#[O+])(C#[O+])[Ir-3]1(C#[O+])(C#[O+])(C#[O+])[Ir-3]23(C#[O+])(C#[O+])C#[O+]
Properties
Ir4(CO)12
Molar mass 1104.92 g/mol
Appearance Canary-yellow crystals
Melting point 195 °C (383 °F; 468 K)
Solubility Chlorocarbons, toluene, tetrahydrofuran
Related compounds
Related compounds
 Tetrarhodium dodecacarbonyl
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Tetrairidium dodecacarbonyl is the chemical compound with the formula Ir4(CO)12. This tetrahedral cluster is the most common and most stable "binary" carbonyl of iridium. This air-stable species is only poorly soluble in organic solvents. It has been used to prepare bimetallic clusters and catalysts, e.g. for the water gas shift reaction, and reforming, but these studies are of purely academic interest.

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