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Aqua-dioxidobis(pentane-2,4-dionato)uranium(VI) pyrazine solvate.


ABSTRACT: The asymmetric unit of the title compound, [U(C(5)H(7)O(2))(2)O(2)(H(2)O)]·C(4)H(4)N(2), contains one [UO(2)(acac)(2)(H(2)O)] (where acac is acetyl-acetonate) and two half-mol-ecules of pyrazine. It exhibits a UO(7) penta-gonal-bipyramidal coordination geometry about the U(VI) atom, involving two bidentate acetyl-acetonate ions and one water mol-ecule. The N atoms of the pyrazine mol-ecules are not coordinated to the U(VI) atom, and are connected with the aqua O atom by hydrogen bonds. This results in a zigzag chain arrangement along the [10] direction.

SUBMITTER: Kawasaki T 

PROVIDER: S-EPMC2961248 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

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Aqua-dioxidobis(pentane-2,4-dionato)uranium(VI) pyrazine solvate.

Kawasaki Takeshi T   Kitazawa Takafumi T  

Acta crystallographica. Section E, Structure reports online 20080416 Pt 5


The asymmetric unit of the title compound, [U(C(5)H(7)O(2))(2)O(2)(H(2)O)]·C(4)H(4)N(2), contains one [UO(2)(acac)(2)(H(2)O)] (where acac is acetyl-acetonate) and two half-mol-ecules of pyrazine. It exhibits a UO(7) penta-gonal-bipyramidal coordination geometry about the U(VI) atom, involving two bidentate acetyl-acetonate ions and one water mol-ecule. The N atoms of the pyrazine mol-ecules are not coordinated to the U(VI) atom, and are connected with the aqua O atom by hydrogen bonds. This resu  ...[more]

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