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Applications include their use as NMR "shift reagents" and as catalysts for organic synthesis, and precursors to industrial hydroformylation catalysts. C 5 H 7 O − 2 in some cases also binds to metals through the central carbon atom; this bonding mode is more common for the third-row transition metals such as platinum(II) and iridium(III).
Tris(acetylacetonato) iron(III), often abbreviated Fe(acac) 3, is a ferric coordination complex featuring acetylacetonate (acac) ligands, making it one of a family of metal acetylacetonates. It is a red air-stable solid that dissolves in nonpolar organic solvents.
Iridium acetylacetonate is the iridium coordination complex with the formula Ir(O 2 C 5 H 7) 3, which is sometimes known as Ir(acac) 3. The molecule has D 3 -symmetry. [ 2 ] It is a yellow-orange solid that is soluble in organic solvents.
Organoiridium compounds share many characteristics with those of rhodium, but less so with cobalt. Iridium can exist in oxidation states of -III to +V, but iridium(I) and iridium(III) are the more common. iridium(I) compounds (d 8 configuration) usually occur with square planar or trigonal bipyramidal geometries, whereas iridium(III) compounds (d 6 configuration) typically have an octahedral ...
3 in hydrochloric acid, is often used as a starting material for the synthesis of other Ir(III) compounds. [2] Another compound used as a starting material is ammonium hexachloroiridate(III), (NH 4) 3 IrCl 6. In the presence of air, iridium metal dissolves in molten alkali-metal cyanides to produce the Ir(CN) 3− 6 (hexacyanoiridate) ion.
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structure of the cation called basic iron acetate as determined from X-ray crystallography [4] Basic iron acetate forms on treating aqueous solutions of iron(III) sources with acetate salts. It is slowly soluble in water and poorly soluble in acetic acid. [5] A typical precursor is freshly precipitated iron oxide/hydroxide, which is halide-free ...