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J. Chem. Soc., Chem. Commun., 1983, 1140 - 1142, DOI: 10.1039/C39830001140
Complex formation between dibenzo-3n-crown-n ethers and the diquat dication
Howard M. Colquhoun, Eric P. Goodings, John M. Maud, J. Fraser Stoddart, David J. Williams and John B. Wolstenholme
An X-ray crystallographic investigation of the complex between the diquat dication and dibenzo-30-crown-10, [Diquat,DB30C10][PF6]2, reveals gross structural features for host–guest complexes (I) and (II) in which weak [C–H
O]hydrogen bonding and charge transfer are the major components of host–guest binding; these same components are also responsible for the formation of stable and orderde 1 : 1 solution complexes between dibenzo-3n-crown-n(n
9–12) and diquat bis(hexafluorophosphate)(2).
