Abstract
The reaction of bis(acetylacetonato)nickel(II), (Ni(AcAc) 2) 3, with carbon disulfide, followed by extraction with anhydrous ether yields a reddish brown solid, found on analysis to have the same composition as (Ni(AcAc) 2) 3. The Ni(AcAc) 2 species is confirmed by infrared spectra. In addition, the mass spectra are identical, each containing a peak at m/e 256 corresponding to Ni(AcAc) 2 units per molecule. The presence of square planar nickel is shown by magnetic susceptibility measurements. The UV–visible spectrum of the product is typical of those containing square planar nickel. The spectrum in the near-IR confirms the presence of octahedral nickel. The ratio of square planar to octahedral species is shown to be one to three. On the basis of the experimental observations, a structure of the product is proposed.
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