Fernandes, P., Florence, A. J., Fabbiani, F., David, W. I. F. and Shankland, K. (2008) Urea-N,N-dimethylacetamide (1/1). Acta Crystallographica Section E: Structure Reports Online, 64 (2). o355. ISSN 1600-5368
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To link to this article DOI: 10.1107/S1600536807067232
Urea forms a 1:1 solvate with N,N-dimethylacetamide (DMA) [systematic name: diaminomethanal- N,N-dimethylacetamide (1/1), C4H9NO center dot CH4N2O] with both molecules positioned on a twofold axis, giving rise to rotational disorder of the DMA molecule. The molecules display a layered structure in which urea molecules form hydrogen-bonded ribbons bounded by molecules of solvent.