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International Union of Crystallography doi:10.1107/S1600536807026323 Acta Cryst. (2007). E63, o3108
Acta Crystallographica Section E
The title compound, C11H16O4, was produced when pentane-2,4-dione (acacH) was treated with formaldehyde in a ca 2.16:1 molar ratio. The compound exists in the solid state as the keto tautomer, although the enol tautomer also exists in solution. The C=O distances are in the range 1.2097 (18)–1.2169 (18) A˚ . Intermolecular C=O...C=O interactions exist, the shortest having a C=O distance of 3.378 (2) A˚ .
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