Matching of host and guest symmetry in crystalline lattice inclusion complexes of the triaroylbenzene derivative 1,3,5-tris(3-methoxybenzoyl)benzene
- 11 October 2004
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in CrystEngComm
- Vol. 6 (85) , 531-534
- https://doi.org/10.1039/b413264e
Abstract
Conformationally flexible 1,3,5-tris(3-methoxybenzoyl)benzene was found to form isomorphous lattice-type inclusion adducts with benzene, acetone and trimethylamine N-oxide (TMNO). All three inclusion complexes crystallize in the three-fold symmetric space group P which correlates with the C3 molecular symmetry evident in the triaroylbenzene hosts and enclathrated guests. Inclusion complexes were not obtained when the title compound was crystallized from larger solvents or solvents lacking trigonal symmetry elements. Thus, it appears that reinforcing symmetry properties of host and guest act in tandem to afford highly symmetrical (trigonal/hexagonal) clathrates.Keywords
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