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Ferric acetylacetonate (Fe(acac)₃) is an iron(III) coordination complex with three acetylacetonate ligands (C₅H₇O₂⁻). Its octahedral structure features Fe³⁺ ions bonded to six oxygen atoms from three bidentate acetylacetonate groups. A dark red crystalline solid, it is soluble in organic solvents (e.g., acetone, chloroform) but insoluble in water. Synthesized by reacting iron(III) chloride with acetylacetone and a base, it serves as a versatile Lewis acid catalyst in organic reactions (oxidations, polymerizations) and a precursor for iron oxide nanoparticles, magnetic materials, or thin films via chemical vapor deposition. Valued in materials science and research for its stability and solubility, it requires careful handling due to irritant properties.
Ferric acetylacetonate (Fe(acac)₃) is a coordination complex of iron(III) with three acetylacetonate ligands. Its chemical formula is Fe(C₅H₇O₂)₃.
Structure: Each acetylacetonate (acac) ligand binds to the Fe³⁺ ion via two oxygen atoms, forming a stable octahedral geometry.
Properties:
Physical: Dark red crystalline solid, soluble in organic solvents (e.g., chloroform, acetone) but insoluble in water.
Synthesis: Prepared by reacting iron(III) chloride with acetylacetone in the presence of a base.
Applications:
Catalysis: Used as a Lewis acid catalyst in organic reactions (e.g., oxidations, polymerizations).
Materials Science: Precursor for iron oxide nanoparticles, thin films (via chemical vapor deposition), and magnetic materials.
Research: Model compound for studying coordination chemistry and spin states (high-spin Fe³⁺).
Safety: Handle with care—irritant. Requires proper PPE and disposal as per metal waste regulations.
It’s valued for its stability, solubility in nonpolar media, and versatility in industrial and research settings.
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