Acta Cryst. (2009). E65, m286-m287  [ doi:10.1107/S1600536809004899 ]

Hexa--chlorido-hexachlorido(⁶-hexamethylbenzene)trialuminium(III)lanthanum(III) benzene solvate

A. S. Filatov, S. N. Gifford, D. K. Kumar and M. A. Petrukhina

Abstract: In the title compound, [Al₃LaCl₁₂(C₁₂H₁₈)]·C₆H₆, all molecules are located on a mirror plane. Three chloridoaluminate groups and a hexamethylbenzene molecule are bound to the central lanthanum(III) ion, forming a distorted pentagonal bipyramid with the ⁶-coordinated arene located at the apical position. The hexamethylbenzene ligand disordered between two orientations in a 1:1 ratio is also involved in parallel-slipped - stacking intermolecular interactions with a benzene solvent molecule [centroid-centroid distance 3.612 (4) Å].

Online 18 February 2009

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