Received 5 March 2014
aCentre for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo, PO Box 1126, 0315 Oslo, Norway,binGAP National Centre of Research-based Innovation, Department of Chemistry, University of Oslo, PO Box 1126, 0315 Oslo, Norway, and cDepartment of Chemistry, University of Bergen, PO Box 7803, 5020 Bergen, Norway
Correspondence e-mail: email@example.com
The title compound, C16H14O6, was recrystallized under solvothermal conditions. The molecules are located on inversion centres, with one complete molecule generated from the asymmetric unit by inversion. There are intramolecular O-HO hydrogen bonds involving the carboxylic acid group and the O atom of the adjacent methoxy group. In the crystal, molecules are linked via O-HO hydrogen bonds, forming chains propagating along . The chains are linked via C-HO hydrogen bonds, forming sheets parallel to (001).
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2004) and ChemBioDraw Ultra (CambridgeSoft, 2009); software used to prepare material for publication: publCIF (Westrip, 2010) and WinGX (Farrugia, 2012).
Supporting information for this paper is available from the IUCr electronic archives (Reference: QM2105 ).
We acknowledge the support from the Norwegian Research Council (project 190980), inGAP and the Department of Chemistry, UiO.
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