Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)


organic compounds



cv5368 scheme

Acta Cryst. (2013). E69, o179    [ doi:10.1107/S1600536812051574 ]

2,4,6,8-Tetrakis(2-fluorophenyl)-3,7-diazabicyclo[3.3.1]nonan-9-one

D. H. Park, V. Ramkumar and P. Parthiban

Abstract: The title compound, C31H24F4N2O, exists in a chair-boat conformation with an equatorial orientation of the 2-fluorophenyl groups on both sides of the secondary amino group of the chair form. The benzene rings in the `chair' part are inclined to each other at 19.4 (1)°, while the equivalent angle between the benzene rings in the `boat' part is 75.6 (1)°. One F atom was treated as disordered over two positions in a 0.838 (4):0.162 (4) ratio. In the crystal, N-H...O hydrogen bonds link the molecules into chains along [001] and these chains are held together via weak N-H...F and C-H...F interactions.


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