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Benzophenone O-(2,3,5,6-Tetrafluoro-4-pyridyl)oxime, Formed by 4-Substitution of Pentafluoropyridine by Benzophenone Oximate

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Wed, 2014-04-02 07:55 — Dr. Waheed J. Jondi
Journal Title, Volume, Page: 
Acta Crystallographica Section C: Crystal Structure Communications , Volume 51 (2): 291– 193
Year of Publication: 
1995
Link: 
http://www.deepdyve.com/lp/international-union-of-crystallography/benzophenone-o...
Authors: 
Jondi, W.J
Current Affiliation: 
Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine
[email protected]
Banks, R.E
Pritchard, R.G
Tipping, A.E
Preferred Abstract (Original): 
The asymmetric unit of the title compound, C18H10F4N2O, is composed of two identical molecules having different configurations. Although both molecules adopt a trans configuration about the N-O bond [C-N-O-C 164.2 (3) and -162.0 (2)-degrees], substantial twists of all the aromatic rings relative to the C=N-O plane show no correlation between the conformers. Despite the apparently random molecular configurations, the packing arrangement involves several pi interactions between adjacent molecules.