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Guanidinium dioxidobis(picolinato-?(2)N,O)(picolinato-?O)uranate(VI).


ABSTRACT: In the title compound, (CH(6)N(3))[U(C(6)H(4)NO(2))(3)O(2)], the uranyl group is coordinated by two O and two N atoms from two chelating picolinate ligands, and one O atom from a third picolinate ligand. The coordination environment of the U(VI) atom (N(2)O(5)) is distorted penta-gonal-bipyramidal. In the crystal, all amino groups are involved in the formation of N-H?O and N-H?N hydrogen bonds, which link cations and anions into layers parallel to the ac plane.

SUBMITTER: Mishkevich VI 

PROVIDER: S-EPMC3470132 | biostudies-literature | 2012 Oct

REPOSITORIES: biostudies-literature

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Guanidinium dioxidobis(picolinato-κ(2)N,O)(picolinato-κO)uranate(VI).

Mishkevich Vitalii I VI   Grigoriev Mikhail S MS   Fedosseev Alexandre M AM   Moisy Philippe P  

Acta crystallographica. Section E, Structure reports online 20120905 Pt 10


In the title compound, (CH(6)N(3))[U(C(6)H(4)NO(2))(3)O(2)], the uranyl group is coordinated by two O and two N atoms from two chelating picolinate ligands, and one O atom from a third picolinate ligand. The coordination environment of the U(VI) atom (N(2)O(5)) is distorted penta-gonal-bipyramidal. In the crystal, all amino groups are involved in the formation of N-H⋯O and N-H⋯N hydrogen bonds, which link cations and anions into layers parallel to the ac plane. ...[more]

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