Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 1 (January 2013)

organic compounds

Acta Cryst. (2013). E69, o1    [ doi:10.1107/S160053681204891X ]

(9H-Fluoren-9-yl)(phen­yl)phosphinic acid

R. A. Burrow and R. M. Siqueira da Silva

Abstract: The crystal structure of the title compound, C19H15O2P, features pairs of mol­ecules joined by O-H...O hydrogen bonds across crystallographic inversion centers. In addition, [pi]-[pi] inter­actions, with a centroid-centroid distance of 3.6273 (9) Å between the fluorene ring systems, connect the dimers into chains along [01-1]. The three rings make dihedral angles of 1.34 (9), 1.52 (10) and 1.51 (7)° with each other.

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