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An unsymmetrical dinuclear scandium complex comprising salophen ligands [H2salophen = N,N'-bis-(salicyl-idene)-1,2-phenyl-enedi-amine].

ABSTRACT: Treatment of scandium nitrate tetra-hydrate with the tetra-dentate ligand H2salophen [N,N'-bis-(salicyl-idene)-1,2-phenyl-enedi-amine] afforded the yellow dinuclear complex Sc(NO3)2(μ-salophen)Sc(salophen)(EtOH) or [Sc2(C20H14N2O2)2(NO3)2(C2H6O)] (systematic name: (ethanol-κO)bis-(nitrato-κ2 O,O'){μ-2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idene)]diphenolato-κ4 N,N',O,O':κ2 O,O'}{2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idene)]diphenolato-κ4 O,N,N',O'}discandium). In this compound, one salophen ligand displays a bridging coordination via the two oxygen atoms, while the other salophen ligand is attached to only one Sc center. This arrangement is stabilized by a hydrogen-bonded EtOH co-ligand, and by π-π stacking inter-actions between the two salophen ligands.

SUBMITTER: Lorenz V 

PROVIDER: S-EPMC6362673 | biostudies-other | 2019 Feb

REPOSITORIES: biostudies-other

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An unsymmetrical dinuclear scandium complex comprising salophen ligands [H<sub>2</sub>salophen = <i>N</i>,<i>N</i>'-bis-(salicyl-idene)-1,2-phenyl-enedi-amine].

Lorenz Volker V   Liebing Phil P   Hilfert Liane L   Busse Sabine S   Edelmann Frank T FT  

Acta crystallographica. Section E, Crystallographic communications 20190108 Pt 2

Treatment of scandium nitrate tetra-hydrate with the tetra-dentate ligand H<sub>2</sub>salophen [<i>N</i>,<i>N</i>'-bis-(salicyl-idene)-1,2-phenyl-enedi-amine] afforded the yellow dinuclear complex Sc(NO<sub>3</sub>)<sub>2</sub>(μ-salophen)Sc(salophen)(EtOH) or [Sc<sub>2</sub>(C<sub>20</sub>H<sub>14</sub>N<sub>2</sub>O<sub>2</sub>)<sub>2</sub>(NO<sub>3</sub>)<sub>2</sub>(C<sub>2</sub>H<sub>6</sub>O)] (systematic name: (ethanol-κ<i>O</i>)bis-(nitrato-κ<sup>2</sup> <i>O</i>,<i>O</i>'){μ-2,2'-[1,2-  ...[more]

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