<i>In situ</i> decarbonylation of <i>N</i>,<i>N</i>-dimethylformamide to form dimethylammonium cations in the hybrid framework compound {[(CH<sub>3</sub>)<sub>2</sub>NH<sub>2</sub>]<sub>2</sub>[Zn{O<sub>3</sub>PC<sub>6</sub>H<sub>2</sub>(OH)<sub>2</sub>PO<sub>3</sub>}]}<sub> <i>n</i> </sub>
Acta crystallographica. Section E, Crystallographic communications