Iridium acetylacetonate is the iridium coordination complex with the formula Ir(O2C5H7)3, which is sometimes known as Ir(acac)3. The molecule has D3-symmetry.[2] It is a yellow-orange solid that is soluble in organic solvents.
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3D model (JSmol)
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ECHA InfoCard | 100.036.086 |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C15H21IrO6 | |
Molar mass | 489.544 g·mol−1 |
Appearance | orange solid[1] |
Melting point | 269 to 271 °C (516 to 520 °F; 542 to 544 K) (decomposes) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is prepared from IrCl3(H2O)3 and acetylacetone.[3] The complex has been resolved into individual enantiomers by separation of its adduct with dibenzoyltartaric acid.[4]
A second linkage isomers is also known. In the second isomer one of the acetylacetonate ligands is bonded to Ir through carbon.[5]
The O6-bonded isomer has been investigated for use chemical vapor deposition (CVD). One example is the deposition of red phosphorescent emitter compounds used in OLEDs.[6][7]
The C-bonded isomer has been investigated as a catalyst for C-H activation reactions.[5]