首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure and Hirshfeld analysis of trans-bis­(5-fluoro­indoline-2,3-dione 3-oximato-κ2O2,N3)-trans-bis­(pyridine-κN)copper(II)
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Crystal structure and Hirshfeld analysis of trans-bis­(5-fluoro­indoline-2,3-dione 3-oximato-κ2O2,N3)-trans-bis­(pyridine-κN)copper(II)

机译:反式双(5-氟吲哚-2,3-二酮3-肟基-κ2O2,N3)-反式双(吡啶-κN)铜(II)的晶体结构和Hirshfeld分析

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The reaction in methanol of CuII acetate monohydrate with 5-fluoro­isatin 3-oxime deprotonated with KOH in a 1:2 molar ratio and recrystallization from pyridine yielded the title compound, [Cu(C8H4FN2O2)2(C5H5N)2]. In the centrosymmetric complex, the anionic form of the isatin oxime acts as a κ2N,O donor, building five-membered metallarings. The CuII cation is sixfold coordinated in a slightly distorted octa­hedral environment by two trans, equatorial, anionic isatin derivatives and two trans pyridine ligands in axial positions. The complexes are linked by hydrogen bonding into a three-dimensional network, which is also stabilized by π–π stacking inter­actions [centroid-to-centroid distance = 3.7352 (9) Å] and C—H⋯π contacts. The Hirshfeld surface analysis indicates that the major contributions for the crystal packing are H⋯H (31.80%), H⋯C (24.30%), H⋯O (15.20%) and H⋯F (10.80%). This work is the second report in the literature of a crystal structure of a coordination compound with isatin 3-oxime ligands (coordination chemistry).
机译:乙酸CuII一水合物与5-氟异丁烯酸3-肟在KOH中以1:2摩尔比去质子化的甲醇反应,然后从吡啶中重结晶,得到标题化合物[Cu(C8H4FN2O2)2(C5H5N)2]。在中心对称复合物中,阴离子型的靛红肟作为κ2N,O供体,形成五元金属。在稍微扭曲的八面体环境中,CuII阳离子在轴向位置上由两个反式,赤道阴离子阴离子衍生物和两个反式吡啶配体六重配位。配合物通过氢键连接成一个三维网络,该网络也通过π-π堆积相互作用[质心到质心距离= 3.7352(9)Å]和C-H⋯π接触而稳定。 Hirshfeld表面分析表明,晶体堆积的主要成分是H⋯H(31.80%),H⋯C(24.30%),H⋯O(15.20%)和H⋯F(10.80%)。这项工作是文献中有关具有isatin 3-肟配体的配位化合物晶体结构的第二篇报道(配位化学)。

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