Abstract
Colourless crystals of the title compound, C27H24O2P+·CF3SO3 −, have been prepared by the addition of a solution of AgCF3SO3 in methanol to a solution of (4-methoxybenzoylmethyl)triphenylphosphonium bromide in dry methanol. There are two crystallographically independent molecules in the asymmetric unit. The crystal structure is stabilized by inter- and intramolecular C—H⋯O hydrogen bonds and further stabilized by C—H⋯π interactions.
Highlights
Colourless crystals of the title compound, C27H24O2P+ÁCF3SO3À, have been prepared by the addition of a solution of AgCF3SO3 in methanol to a solution of (4-methoxybenzoylmethyl)triphenylphosphonium bromide in dry methanol
The crystal structure is stabilized by inter- and intramolecular C—HÁ Á ÁO hydrogen bonds and further stabilized by C—HÁ Á Á interactions
Cg4 is the centroid of the C21–C26 benzene ring
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.007 A; R factor = 0.079; wR factor = 0.188; data-to-parameter ratio = 16.3. Colourless crystals of the title compound, C27H24O2P+ÁCF3SO3À, have been prepared by the addition of a solution of AgCF3SO3 in methanol to a solution of (4-methoxybenzoylmethyl)triphenylphosphonium bromide in dry methanol. There are two crystallographically independent molecules in the asymmetric unit. The crystal structure is stabilized by inter- and intramolecular C—HÁ Á ÁO hydrogen bonds and further stabilized by C—HÁ Á Á interactions
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