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. 2012 Apr 1;68(Pt 4):o970.
doi: 10.1107/S1600536812008938. Epub 2012 Mar 7.

1-(2-Hy-droxy-eth-yl)pyrrole-2,5-dione

Xue-Jie Tan  1 , Ting-Wen Du, Dian-Xiang Xing, Yun Liu
Affiliations

1-(2-Hy-droxy-eth-yl)pyrrole-2,5-dione

Xue-Jie Tan et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The asymmetric unit of the title compound, C(6)H(7)NO(3), contains two mol-ecules (A and B) related by a non-crystallographic twofold pseudo-axis. The mol-ecules are joined in the (AABB)(n) manner by O-H⋯O hydrogen bonds between their hy-droxy groups, thus forming C(2) chains along the a-axis direction. Neighboring mol-ecules of the same kind (A and A, or B and B) are related by inversion centers, so that all hy-droxy H atoms are disordered other two sets of sites with half occupancies (superimposed O-H⋯O and O⋯H-O fragments). The mol-ecules are further linked by C-H⋯O inter-actions, which can be considered to be weak hydrogen bonds.

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Figures

Fig. 1.
Fig. 1.
The asymmetric unit of the title compound with atom labelling scheme and thermal ellipsoids drawn at the 40% probability level. Intermolecular hydrogen bonds O—H···O are presented by dashed lines.
Fig. 2.
Fig. 2.
Portion of six infinite two-dimensional corrugated sheets in (I) linked by hydrogen-bonds, viewed along the a axis. These six sheets can be dubbed in three pairs of hydrogen-bonded layers.
See this image and copyright information in PMC

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