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

Treatment of scandium nitrate tetra-hydrate with the tetra-dentate ligand H salophen [ , '-bis-(salicyl-idene)-1,2-phenyl-enedi-amine] afforded the yellow dinuclear complex Sc(NO ) (μ-salophen)Sc(salophen)(EtOH) or [Sc (C H N O ) (NO ) (C H O)] (systematic name: (ethanol-κ )bis-(nitrato-κ , �...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Crystallographic communications Crystallographic communications, 2019-02, Vol.75 (Pt 2), p.175-178
Main Authors: Lorenz, Volker, Liebing, Phil, Hilfert, Liane, Busse, Sabine, Edelmann, Frank T
Format: Article
Language:English
Subjects:
crystal structure
dinuclear scandium complex
Research Communications
salophen ligand
scandium
Schiff base
π–π stacking
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Summary:Treatment of scandium nitrate tetra-hydrate with the tetra-dentate ligand H salophen [ , '-bis-(salicyl-idene)-1,2-phenyl-enedi-amine] afforded the yellow dinuclear complex Sc(NO ) (μ-salophen)Sc(salophen)(EtOH) or [Sc (C H N O ) (NO ) (C H O)] (systematic name: (ethanol-κ )bis-(nitrato-κ , '){μ-2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idene)]diphenolato-κ , ', , ':κ , '}{2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idene)]diphenolato-κ , , ', '}discandium). In this compound, one salophen ligand displays a bridging coordination 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.
ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989019000094