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. 2010 Feb 24;66(Pt 3):m322.
doi: 10.1107/S1600536810006422.

Bis{N-[bis-(pyrrolidin-1-yl)phosphor-yl]-2,2,2-trichloro-acetamide}di-nitrato-dioxidouranium(VI)

Kateryna O Znovjyak, Vladimir A Ovchynnikov, Olesia V Moroz, Svitlana V Shishkina, Vladimir M Amirkhanov

Bis{N-[bis-(pyrrolidin-1-yl)phosphor-yl]-2,2,2-trichloro-acetamide}di-nitrato-dioxidouranium(VI)

Kateryna O Znovjyak et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The crystal structure of the title compound, [U(NO(3))(2)O(2)(C(10)H(17)Cl(3)N(3)O(2)P)(2)], is composed of centrosymmetric [UO(2)(L)(2)(NO(3))(2)] mol-ecules {L is N-[bis-(pyrrolidin-1-yl)phosphor-yl]-2,2,2-trichloro-acetamide, C(10)H(17)Cl(3)N(3)O(2)P}. The U(VI) ion, located on an inversion center, is eight-coordinated with axial oxido ligands and six equatorial oxygen atoms of the phosphoryl and nitrate groups in a slightly distorted hexa-gonal-bipyramidal geometry. One of the pyrrolidine fragments in the ligand is disordered over two conformation (occupancy ratio 0.58:0.42). Intra-molecular N-H⋯O hydrogen bonds between the amine and nitrate groups are found.

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Figures

Fig. 1.
Fig. 1.
View of the centrosymmetric molecule of 1 with atom numbering scheme. Displacement ellipsoids are drawn at 30% probability level. Hydrogen atoms not involved in hydrogen bonding omitted for clarity. [Symmetry code: (i) -x+1, -y+1, -z+1]
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