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Crystal structure of bis-[tetra-kis-(tetra-hydro-furan-?O)lithium] bis[?-2,2',2''-methanetriyltris(4,6-di-tert-butylphenolato)-?4O,O':O',O'']-dimagnesiate.


ABSTRACT: The title ion-association metal complex, [Li(C4H8O)4]2[Mg2(C43H61O3)2], has been synthesized from the tridentate phenolic ligand tris-(3,5-di-tert-butyl-2-hy-droxy-phen-yl)methane in tetra-hydro-furan (THF). The aryl-oxo magnesiate complex anion is binuclear with each Mg2O4 complex unit inversion-related and bridged through the two tridentate chelating phenolate O-donors of the ligand. The complex centres have a distorted tetra-hedral stereochemistry [Mg-O range 1.8796?(17)-2.0005?(16)?Å] and an Mg?Mg separation of 2.9430?(14)?Å]. The LiO4 coodination sphere of the cation comprises four THF O-donor atoms and has a slightly distorted tetra-hedral conformation [Li-O range 1.899?(5)- 1.953?(5)?Å]. In the crystal, a number of stabilizing intra-anion C-H?O hydrogen-bonding inter-actions are present but no inter-species associations are found.

SUBMITTER: Zhou H 

PROVIDER: S-EPMC5499282 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Crystal structure of bis-[tetra-kis-(tetra-hydro-furan-κ<i>O</i>)lithium] bis[μ-2,2',2''-methanetriyltris(4,6-di-<i>tert</i>-butylphenolato)-κ<sup>4</sup><i>O</i>,<i>O</i>':<i>O</i>',<i>O</i>'']-dimagnesiate.

Zhou Hongyan H   Wang Lei L  

Acta crystallographica. Section E, Crystallographic communications 20170613 Pt 7


The title ion-association metal complex, [Li(C<sub>4</sub>H<sub>8</sub>O)<sub>4</sub>]<sub>2</sub>[Mg<sub>2</sub>(C<sub>43</sub>H<sub>61</sub>O<sub>3</sub>)<sub>2</sub>], has been synthesized from the tridentate phenolic ligand tris-(3,5-di-<i>tert</i>-butyl-2-hy-droxy-phen-yl)methane in tetra-hydro-furan (THF). The aryl-oxo magnesiate complex anion is binuclear with each Mg<sub>2</sub>O<sub>4</sub> complex unit inversion-related and bridged through the two tridentate chelating phenolate O-donor  ...[more]

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