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Bis(?(5)-penta-methyl-cyclo-penta-dien-yl)aluminium tetra-bromido-aluminate.


ABSTRACT: The title compound, [Al(C10H15)2][AlBr4], was formed during the reduction of a mixture of Cp*AlBr2 and AlBr3. The Al(III) atoms of the two crystallographically independent cations each lie on an inversion center, and the [AlBr4](-) anions are on general positions. At 123?K, the structure exhibits disorder in two of the Br atoms of the [AlBr4](-) ion, with a ratio occupancy of 0.733?(6): 0.267?(3). In the crystal, there is possible weak hydrogen bonding between some methyl groups and Br atoms. The interactions link the moieties in a three-dimensional array.

SUBMITTER: Purdy AP 

PROVIDER: S-EPMC3998496 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Bis(η(5)-penta-methyl-cyclo-penta-dien-yl)aluminium tetra-bromido-aluminate.

Purdy Andrew P AP   Dugger Cherrelle C   Butcher Ray J RJ  

Acta crystallographica. Section E, Structure reports online 20140208 Pt 3


The title compound, [Al(C10H15)2][AlBr4], was formed during the reduction of a mixture of Cp*AlBr2 and AlBr3. The Al(III) atoms of the two crystallographically independent cations each lie on an inversion center, and the [AlBr4](-) anions are on general positions. At 123 K, the structure exhibits disorder in two of the Br atoms of the [AlBr4](-) ion, with a ratio occupancy of 0.733 (6): 0.267 (3). In the crystal, there is possible weak hydrogen bonding between some methyl groups and Br atoms. Th  ...[more]

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