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Crystal structure of adducts of copper(II) acetylacetonate and hexafluoroacetylacetonate with 4-aminopyridine

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Abstract

Single crystal X-ray diffraction is used to investigate two synthesized β-diketonate complexes of copper(II) with aminopyridine: Cu(4-NH2Py)(aa)2 (I) and Cu(4-NH2Py)(hfa)2 (II). The crystals of I and II have a monoclinic system; the unit cell parameters of I are: P21/n space group, a = 8.2921(3) Å, b = 14.7243(5) Å, c = 13.4970(4) Å, β = 102.426(1)°, V = 1609.32(9) Å3, Z = 4; for II: C2/c space group, a = 23.5704(5) Å, b = 11.4977(2) Å, c = 16.0285(3) Å, β = 109.265(1)°, V = 4100.6(1) Å3, Z = 8. The structures of I and II are molecular; they are composed of isolated molecules. The coordination polyhedron of the copper atom is formed by the O atoms of two acetylacetonate ligands (Cu-O 1.940(2)–2.171(2) I and the O atoms of two hexafluoroacetylacetonate ligands (Cu-O 1.940(2)–2.215(3) Å) in II. The molecules of 4-NH2Py are bonded to the copper atom via the nitrogen atom of the aromatic ring (Cu-N 2.008(2) Å in I and Cu-N 1.978(3) Å in II). Noncoordinated amino groups join the molecules of the complexes together by means of N-H…O hydrogen bonds.

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Authors and Affiliations

  1. A. V. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, Novosibirsk, Russia

    P. A. Stabnikov, G. I. Zharkova, N. I. Alferova, A. P. Zubareva, E. A. Shusharina & N. V. Pervukhina

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  1. P. A. Stabnikov
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  2. G. I. Zharkova
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  3. N. I. Alferova
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  4. A. P. Zubareva
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  5. E. A. Shusharina
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  6. N. V. Pervukhina
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Correspondence to P. A. Stabnikov.

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Original Russian Text Copyright © 2011 by P. A. Stabnikov, G. I. Zharkova, N. I. Alferova, A. P. Zubareva, E. A. Shusharina, and N. V. Pervukhina

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Translated from Zhurnal Strukturnoi Khimii, Vol. 52, No. 2, pp. 378–382, March–April, 2011.

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Stabnikov, P.A., Zharkova, G.I., Alferova, N.I. et al. Crystal structure of adducts of copper(II) acetylacetonate and hexafluoroacetylacetonate with 4-aminopyridine. J Struct Chem 52, 371–375 (2011). https://doi.org/10.1134/S0022476611020181

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  • DOI: https://doi.org/10.1134/S0022476611020181

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