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Crystal structure of bis-(acetato-?2O,O')di-aqua-[1-(pyridin-2-yl-methyl-idene-?N)-2-(pyridin-2-yl-?N)hydrazine-?N1]terbium(III) nitrate monohydrate.

ABSTRACT: In the title compound, [Tb(C2H3O2)2(C11H10N4)(H2O)2]NO3·H2O, the Tb3+ ion is nine-coordinated in a distorted tricapped trigonal-prismatic geometry by the three N atoms of the tridentate 1-(pyridin-2-yl-methyl-idene)-2-(pyridin-2-yl)hydrazine ligand, four carboxyl-ate O atoms of two chelating acetate groups and two O atoms of the coordinating water mol-ecules. The organic hydrazine ligand is disordered over two orientations with a refined occupancy ratio of 0.52?(3):0.48?(3). All bond lengths in the coordination environment of the Tb3+ ion are slightly larger than those observed in the isostructural Y3+ and Er3+ complexes. In the crystal, the complex cations are linked by pairs of O-H?O hydrogen bonds into dimers. These dimers, nitrate anions and non-coordinating water mol-ecules are joined by O-H?O and N-H?O hydrogen bonds into a three-dimensional structure.

SUBMITTER: Gueye NM 

PROVIDER: S-EPMC5598831 | biostudies-other | 2017 Jul

REPOSITORIES: biostudies-other

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Crystal structure of bis-(acetato-κ<sup>2</sup><i>O</i>,<i>O</i>')di-aqua-[1-(pyridin-2-yl-methyl-idene-κ<i>N</i>)-2-(pyridin-2-yl-κ<i>N</i>)hydrazine-κ<i>N</i><sup>1</sup>]terbium(III) nitrate monohydrate.

Gueye NDiaye Mbossé NM   Moussa Dieng D   Thiam Elhadj Ibrahima EI   Barry Aliou Hamady AH   Gaye Mohamed M   Retailleau Pascal P  

Acta crystallographica. Section E, Crystallographic communications 20170707 Pt 8

In the title compound, [Tb(C<sub>2</sub>H<sub>3</sub>O<sub>2</sub>)<sub>2</sub>(C<sub>11</sub>H<sub>10</sub>N<sub>4</sub>)(H<sub>2</sub>O)<sub>2</sub>]NO<sub>3</sub>·H<sub>2</sub>O, the Tb<sup>3+</sup> ion is nine-coordinated in a distorted tricapped trigonal-prismatic geometry by the three N atoms of the tridentate 1-(pyridin-2-yl-methyl-idene)-2-(pyridin-2-yl)hydrazine ligand, four carboxyl-ate O atoms of two chelating acetate groups and two O atoms of the coordinating water mol-ecules. The or  ...[more]

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