Research Article

Synthesis and Structural Characterization of a New Tetranuclear Nickel(II) Sulfato Complex Containing the Anionic Form of Di-2-Pyridyl Ketone Oxime

Figure 2

Top: the [Ni4(μ-SO4)2(μ 2-ONR)2(μ 3-ONR)2] core of complex 1, where R- = -C(py)2. The metallacrown-type ring is highlighted. Bottom: the core of 1 using only the μ 3 oximate groups.
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