Received 19 March 2010
In the title compound, C17H10F6O4, the two benzene rings are twisted with respect to each other, making a dihedral angle of 67.43 (12)°. In the crystal, adjacent molecules are linked by O-HO and C-HF hydrogen bonding, forming a wave-like layered supramolecular structure.
For the use of bibenzoic acids as bridging ligands for the synthesis of novel solid-state architectures, see: Zou et al. (2007). For the structures of related dibenzoic acid compounds, see: Potts et al. (2007); Lian et al. (2007).
Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: XU2737 ).
This project was supported by the Natural Scientific Foundation of Shaanxi Province, China (grant No. SJ08B11), the Key Laboratory Foundation of Shaanxi Provincial Education Office, China (Nos. 08JZ82, 07 J K435, 08 J K490, 09 J K816, 09 J K826 and 09 J K815) and the Special Scientific Research Foundation of Yan'an University (No. D2009-139).
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Lian, F.-Y., Yuan, D.-Q., Jiang, F.-L. & Hong, M.-C. (2007). Acta Cryst. E63, o2870.
Potts, S., Bredenkamp, M. W. & Gertenbach, J.-A. (2007). Acta Cryst. E63, o2887.
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Zou, R.-Q., Zhong, R.-Q., Du, M., Kiyobayashi, T. & Xu, Q. (2007). Chem. Commun. pp. 2467-2469.