9-(2,6-Difluoro­phenoxy­carbonyl)-10-methyl­acridinium trifluoro­methane­sulfonate and its precursor 2,6-difluoro­phenyl acridine-9-carboxyl­ate: C—H⋯O, C—F⋯π, S—O⋯π and π–π stacking inter­actions

Sikorski, A.; Krzymiński, K.; Niziołek, A.; Błażejowski, J.

doi:10.1107/S0108270105033779

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
The arrangement of the ions of (I)

in the unit cell. The C—H⋯O interactions are represented by dashed lines, and the Y—X⋯π and π–π interactions by dotted lines. H atoms not involved in C—H⋯O interactions have been omitted. [Symmetry codes: (i) x − 1, y, 1 + z; (ii) 1 − x, 1 − y, 1 − z; (iii) 1 − x, −y, 1 − z; (iv) x, $[{1 \over 2}]$ − y, z − $[{1 \over 2}]$ ; (v) 1 + x, $[{1 \over 2}]$ − y, z − $[{1 \over 2}]$ ; (vi) x, $[{1 \over 2}]$ − y, z − $[{1 \over 2}]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 12| November 2005| Pages o690-o694

doi:10.1107/S0108270105033779

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