The title compound, C48H20F19N4O3P, prepared by the nucleophilic attack of triethyl phosphite on one of the 4-fluoro atoms of 5,10,15,20-tetrakis(pentafluorophenyl)porphyrin, contains a single molecule in the asymmetric unit. The porphyrin unit is almost planar [largest non-H atom deviation similar to= 0.174 (6) angstrom], and has the planes of the neighbouring benzene rings oriented at angles ranging from 64.3 (2) to 89.6 (3)degrees relative to the porphyrin core. The P=O group is almost coplanar with the attached benzene ring, subtending an angle of 4.0 (3)degrees. Several weak supramolecular interactions, namely C-H...p, C-F...p, P=O...p, C-H...(O,F) and F...F contacts, contribute to the crystal packing.




Chemistry; Crystallography


Pereira, CF; Fernandes, JA; Rodrigues, JMM; Vilela, SMF; Tome, JPC; Paz, FAA

nossos autores


The authors are grateful to the Fundacao para a Ciencia e a Tecnologia (FCT, Portugal) for general financial support (R&D projects No. PTDC/CTM/101538/2008 and PTDC/QUI-QUI/098098/2008), for postdoctoral and PhD research grants No. SFRH/BPD/63736/2009 (to JAF), SFRH/BD/ 81014/2011 (to JMMR) and SFRH/BD/66371/2009 (to SMFV), and for specific funding towards the purchase of the singlecrystal diffractometer.

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