Abstract
In the crystal structure of the title compound, C21H15BrNO2 +·CF3SO3 −, the cations form inversion dimers through π–π interactions between the acridine ring systems. These dimers are further linked by C—H⋯π and C—Br⋯π interactions. The cations and anions are connected by multidirectional C—H⋯O and C—F⋯π interactions. The acridine and benzene ring systems are oriented at 10.8 (1)°. The carboxyl group is twisted at an angle of 85.2 (1)° relative to the acridine skeleton. The mean planes of adjacent acridine units are parallel or almost parallel [inclined at an angle of 1.4 (1)°] in the crystal structure.
Highlights
In the crystal structure of the title compound, C21H15BrNO2+CF3SO3, the cations form inversion dimers through – interactions between the acridine ring systems
Interactions between the acridine ring systems. These dimers are further linked by C—H and C—Br interactions
The carboxyl group is twisted at an angle of 85.2 (1) relative to the acridine skeleton
Summary
R factor = 0.039; wR factor = 0.112; data-to-parameter ratio = 13.1. In the crystal structure of the title compound, C21H15BrNO2+CF3SO3, the cations form inversion dimers through – interactions between the acridine ring systems. These dimers are further linked by C—H and C—Br interactions. The acridine and benzene ring systems are oriented at 10.8 (1). The carboxyl group is twisted at an angle of 85.2 (1) relative to the acridine skeleton. The mean planes of adjacent acridine units are parallel or almost parallel [inclined at an angle of 1.4 (1) ] in the crystal structure
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