Bis[μ-bis(pyridin-2-yl)methanone oxime-κ3 N:,N′,N′′]bis[diacetato-κ2 O,O′;κO-zinc(II)]

IUCrData Pub Date : 2024-02-01 DOI:10.1107/S2414314624001226

Guy Crundwell , Nigel E. Crundwell , Barry L. Westcott , M. Zeller (Editor)

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Abstract

The structure of the title compound is triclinic containing half of the molecule in the asymmetric unit. Each zinc atom is coordinated to a pyridyl and oxime nitrogen from one ligand and a third nitrogen from the other dpko pyridyl ring and two acetato anions.

The structure of the title complex, [Zn₂(C₂H₃O₂)₄(C₁₁H₉N₃O)₂], is triclinic containing half of the molecule in the asymmetric unit. Each zinc atom is coordinated to a pyridyl and oxime nitrogen from one di-2-pyridyl ketone oxime (dpko) ligand and a third nitrogen from the other dpko pyridyl ring. Additionally, each zinc is coordinated to two acetato anions, one of which is bidentate and the other monodentate. The uncoordinated oxygen of the monodentate acetato group is involved in a hydrogen bond with the oxime hydrogen. The packing in the crystal is assisted by weak C—H⋯O interactions between acetato groups and neighboring pyridyl rings.

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双[μ-双(吡啶-2-基)甲酮肟-κ3 N:,N′,N′′]双[双乙酰氧基-κ2 O,O′;κO-锌(II)]

标题复合物[Zn2(C2H3O2)4(C11H9N3O)2]的结构为三菱形，其中一半分子为不对称单元。每个锌原子都与一个二-2-吡啶基酮肟（dpko）配体的一个吡啶氮和一个肟氮配位，并与另一个 dpko 吡啶环的第三个氮配位。此外，每个锌都与两个乙酸阴离子配位，其中一个为双配位，另一个为单配位。单齿乙酰基的非配位氧与肟氢形成氢键。乙酸根基与邻近吡啶环之间微弱的 C-H...O 相互作用有助于晶体的堆积。

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