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

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.

SUBMITTER: Znovjyak KO 

PROVIDER: S-EPMC2983502 | biostudies-literature | 2010 Feb

REPOSITORIES: biostudies-literature

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

Znovjyak Kateryna O KO   Ovchynnikov Vladimir A VA   Moroz Olesia V OV   Shishkina Svitlana V SV   Amirkhanov Vladimir M VM  

Acta crystallographica. Section E, Structure reports online 20100224 Pt 3

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 fr  ...[more]

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