Urea-N,N-dimethylacetamide (1/1)

Fernandes, P. and Florence, A.J. and Fabbiani, F. and David, W.I.F. and Shankland, K. (2008) Urea-N,N-dimethylacetamide (1/1). Acta Crystallographica Section E: Structure Reports, 64 (2). o355-o355. ISSN 1600-5368

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Abstract

Urea forms a 1:1 solvate with N,N-dimethylacetamide (DMA) [systematic name: diaminomethanal-N,N-dimethylacetamide (1/1), C4H9NO·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.