Received 25 November 2011
In the title compound, C26H25FO5, the terminal cyclohexane rings of the xanthene ring system adopt half-boat conformations. The 4H-chromene ring make a dihedral angle of 87.94 (5)° with the xanthene ring system and its carbonyl O atom lies above the xanthene O atom. In the crystal, molecules are linked into ribbons propagating along the a-axis direction by C-HO hydrogen bonds. Aromatic - stacking interactions [centroid-centroid distance = 3.7367 (12) Å] also occur.
For a related structure and background to the properties and applications of xanthene derivatives, see: Mehdi et al. (2011). For ring conformations, see: Cremer & Pople (1975). For reference bond-length data, see: Allen et al. (1987).
Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB6535 ).
The authors thank Universiti Sains Malaysia (USM) for the Research University Grants (1001/PFIZIK/811160) and (203/PKIMIA/6711179). SA thanks the Malaysian Government and USM for the Academic Staff Training Scheme (ASTS) award. MA also thanks Universiti Sains Malaysia for the award of a post-doctoral fellowship.
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Mehdi, S. H., Sulaiman, O., Ghalib, R. M., Yeap, C. S. & Fun, H.-K. (2011). Acta Cryst. E67, o1719-o1720.
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