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Acta Cryst. (2010). E66, o1313-o1314  [ doi:10.1107/S1600536810016296 ]

9-(4-Bromophenoxycarbonyl)-10-methylacridinium trifluoromethanesulfonate

D. Trzybinski, K. Krzyminski, A. Sikorski and J. Blazejowski

Abstract: In the crystal structure of the title compound, C21H15BrNO2+·CF3SO3-, the cations form inversion dimers through [pi]-[pi] interactions between the acridine ring systems. These dimers are further linked by C-H...[pi] and C-Br...[pi] interactions. The cations and anions are connected by multidirectional C-H...O and C-F...[pi] 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.

Online 12 May 2010

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