Crystal structure of di-µ-phenyl-bis(diphenylaluminium)(triphenylaluminium dimer)
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 23,p. 2646-2648
- https://doi.org/10.1039/dt9720002646
Abstract
Crystals of the title compound are triclinic, space group P, with one centrosymmetric dimer in the reduced cell of dimensions a= 9·565, b= 10·813, c= 8·328 Å, α= 106·2, β= 111·8, γ= 102·3°. The structure was determined by Patterson methods from 1636 observed data, visually estimated from Weissenberg photographs, and refined by least-squares methods to R 9·1%. The Al ⋯ Al vector (2·702 Å) is almost normal (84·4°) to the planes of the bridging phenyl groups; Al–C distances are 2·182 (bridge) and 1·958 Å(terminal), and the Al–C–Al bridge angle is 76·5°.Keywords
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