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Title4-Amino-pyridinium 2-(anthracen-9-yl)-3-oxo-3H-inden-1-olate monohydrate
Publication TypeJournal Article
Year of Publication2011
AuthorsGainsford, G.J., Ashraf M., Bhuiyan M.D.H., and Kay A.J.
JournalActa Crystallographica Section C: Crystal Structure Communications
Paginationo107 - o110
Date Published2011
ISSN01082701 (ISSN)
KeywordsCrystal packings, Hydrogen bonds, Ions, Non-linear optical, Pyridinium, Pyridinium cations, Title compounds
AbstractThe title compound, 2C5H7N2 +·2C23H13O2 -·H2O, formed as a by-product in the attempted synthesis of a nonlinear optical candidate mol-ecule, contains two independent 4-amino-pyridinium cations and 2-(anthracen-9-yl)-3-oxo-3H-inden-1-olate anions with one solvent water mol-ecule. This is the first reported structure containing these anions. The two anions are not planar, having different inter-planar angles between the anthracenyl and inden-1-olate moieties of 59.07 (5) and 83.92 (5)°. The crystal packing, which involves strong classical hydrogen bonds and one C - H⋯π inter-action, appears to account for both the nonplanarity and this difference. © 2011 International Union of Crystallography.

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