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Preparation and crystal structure of tris(γ-aminobutanoic acid) dioxouranium(VI) diperchlorate

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Abstract

The title compound has been prepared and its crystal structure determined by X-ray crystallography. The compound is monoclinic,P21/m,Z=2, witha=9.842(5),b=22.136(6),c=5.939(4) Å, and β=108.71(3)°. The complex is ionic and hasC s symmetry. The uranyl group is equatorially bonded to three bidentate acid molecules in a distorted hexagonal bipyramidal coordination geometry. Bond distances are: U-O(uranyl) 1.76(1) Å, U-O(equatorial) 2.47–2.48 Å, C-O 1.25–1.28 Å, Cl-O 1.40–1.43 Å. The amino acid is zwitterionic with the ionized carboxyl chelate to uranium and the amino terminus protonated. The structure is stabilized by hydrogen bonding.

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References

  • Bismondo, A., Rizzo, L., Tomat, G., Curto, D., Di Bernardo, P., and Cassol, A. (1983)Inorg. Chim. Acta 74, 21.

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Authors and Affiliations

  1. Istituto di Chimica e Tecnologia dei Radioelementi, C.N.R., Padova, Italy

    A. Bismondo, U. Casellato & E. Forsellini

  2. Istituto di Chimica Generale, Universitá di Padova, Italy

    R. Graziani

Authors
  1. A. Bismondo
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  2. U. Casellato
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  3. E. Forsellini
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  4. R. Graziani
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Bismondo, A., Casellato, U., Forsellini, E. et al. Preparation and crystal structure of tris(γ-aminobutanoic acid) dioxouranium(VI) diperchlorate. Journal of Crystallographic and Spectroscopic Research 15, 257–262 (1985). https://doi.org/10.1007/BF01160485

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  • DOI: https://doi.org/10.1007/BF01160485

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