Abstract
Two new coordination compounds, trans-octahedral aniline-containing Co(III) dioximates [Co(DH)2(Anil)2]2[ZrF6]·2H2O (I) and [Co(NioxH)2(Anil)2]2[ZrF6]·3H2O (II), where DH− is the dimethylglyoxime monoanion, and NioxH− is the 1,2-cyclohexanedionedioxime monoanion, were synthesized, and their crystal structures were studied by XRD. In I, two centrosymmetric, crystallographically independent [Co(DH)2(Anil)2]+ complex cations (A and B) are linked by a system of hydrogen bonds, the [ZrF6]2− centrosymmetric anion, and the crystallization water molecules into a three-dimensional framework. The coordination polyhedron of the Co3+ atom in I and II is a slightly distorted N6 octahedron formed by four nitrogen atoms of the two dioxime residues and two amine nitrogen atoms of the aniline fragment. The deviation of the cobalt atom from the plane of the metallocycle in II is up to 0.012 Å. The [ZrF6]2− outer-spheric anions and crystallization water molecules dominate in the crystal structures.
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Original Russian Text Copyright © 2007 by A. P. Rija, É. B. Coropceanu, O. A. Bologa, S. T. Malinovskii, and M. Gdaniec
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Translated from Zhurnal Strukturnoi Khimii, Vol. 48, No. 6, pp. 1197–1202, November–December, 2007.
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Rija, A.P., Coropceanu, É.B., Bologa, O.A. et al. Structure of aniline-containing Co(III) trans-dioximates with the [ZrF6]2− anion. J Struct Chem 48, 1132–1137 (2007). https://doi.org/10.1007/s10947-007-0181-y
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DOI: https://doi.org/10.1007/s10947-007-0181-y