Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 9 (September 2012)

organic compounds

Acta Cryst. (2012). E68, o2688    [ doi:10.1107/S1600536812034733 ]

Bis(pyrrolidin-1-yl)phosphinic (2,4-di­fluoro­benzo­yl)amide

M. Keikha, M. Pourayoubi, J. P. Jasinski and J. A. Golen

Abstract: The P atom in the title mol­ecule, C15H20F2N3O2P, is in a distorted tetra­hedral P(O)(N)(N)2 environment. The phosphoryl group and the NH unit adopt a syn orientation with respect to each other. An F atom at position 2 and an H atom at position 6 are found to occupy similar sites in a 0.70:0.30 ratio and were refined with fixed occupancies. The pyrrolidin-1-yl rings are disordered over two sets of sites, with site occupancies of 0.566 (6) and 0.434 (6), and were refined using a two-part model. In the crystal, hydrogen-bonded dimers linked by pairs of N-H...O(P) hydrogen bonds generate an R22(8) ring motif.

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