Synthesis and Chemical Characterization of Metals (Al, Cr, Co, Mn and VO) Complexes with Acetylacetone (β-diketone )

Abstract

In this Article, we focused on synthesis,chemical reactivity and physical properties of  metal acetylacetone complexes. Metals (Mn,Cu,Co,V,Al) were obtained from their salts, and reacted with acetylacetone acting as a ligand. Products were recrystallized using methanol or pet ether and their  melting point was determined. Synthesis and Metal (acetylacetone) complex structures [AI(CH₃COCHCOCH₃)₃]_, [VO(CH₃COCHCOCH₃)₂], [Mn(CH₃COCHCOCH₃)₂], [Cu(CH₃COCHCOCH₃)₂], [Cr(CH₃COCHCOCH₃)₃] are discussed in this article. Complexation was confirmed by FTIR as a characterizing technique. UV/VIS spectrum were taken for all complexes and their maximum absorbance as a function of wavelength was taken. Further confirmation was obtained by NMR (Nuclear Magnetic Resonance). Solubilities in different organic solvents were tested. Melting Points and Yields of metal-acac complexes are also given in this article. Material Safety Data Sheet of Urea, Chromium chloride hexahydrate and actylacetone has been discussed in this report.

Keywords: Metals (Al, Cu, Cr, Mn, VO), Acetylacetone(acac), FTIR, NMR, UV/VIS, Recrystallization.