Bis[(2-Hydroxyethyl)Dimethylammonium]Bis[Mu-Acetato-O:O'-Acetato-O,O'-Mu -(2-Dimethylaminoethanolato-N,Mu-O)-Mu 3-Oxo-Tetraoxodiuranate(Vi)]
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS(1996)
摘要
In the centrosymmetric tetrameric [(UO2)(4)(O)(2)-(C2H3O2)(4)(C4H10NO)(2)](2-) anion {systematic name: bis(mu-acetato)-1 kappa O:2 kappa O'; 3 kappa O:4 kappa O'-bis(acetato)-2 kappa(2)O, O'; 4 kappa(2)O, O'-bis(mu-2-dimethylaminoethanolato)-tetrakis [dioxouranate(IV)]}, the U atoms are seven-coordinate, the shortest U ... U distances being 3.681 (2), 3.775 (2) and 4.214 (2) Angstrom, and the longest 7.017 (2) Angstrom. Four UO22+ ions are connected by two carboxylate groups, two ethanolato O atoms and two triply bridging O atoms. A (2-hydroxyethyl)dimethylammonium cation, C4H12NO+, links adjacent complex anions by N-H ... O(uranyl) and O-H ... O(acetate) hydrogen bonds.
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