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

P. Fernandes, A.J. Florence, F. Fabbiani, W.I.F. David, K. Shankland

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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.
Original languageEnglish
Pages (from-to)o355-o355
JournalActa Crystallographica Section E: Structure Reports
Volume64
Issue number2
DOIs
Publication statusPublished - Feb 2008

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Keywords

  • single-crystal X-ray study
  • T = 120 K
  • mean (O–C) = 0.003 A°
  • disorder in main residue
  • R factor = 0.050
  • wR factor = 0.150
  • data-to-parameter ratio = 14.9

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