5-Fluoro-1,3-dihydro-2,1-benzoxaborol-1-ol

In the crystal structure of the title compound, C(7)H(6)BFO(2), a broad-spectrum anti­fungal drug (AN2690), the planar [maximum deviation 0.035 (1) Å] mol­ecules form centrosymmetric R (2) (2)(8) dimers via strong O—H⋯O hydrogen bonds. The dimers are arranged into layers by weak inter­molecular C—H⋯O and C—H⋯F hydrogen bonds. The symmetry of this two-dimensional supra­molecular assembly can be described by the layer group p [Image: see text] and topologically classified as a simple uninodal four-connected two-dimensional network of a (4.4.4.4.6.6) topology. Further weak C—H⋯O inter­actions build up the three-dimensional structure.