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. 2005 Aug;61(Pt 8):o506-8.
doi: 10.1107/S0108270105021001. Epub 2005 Jul 23.

DL-Proline

Sunnie Myung  1 , Maren Pink, Mu Hyun Baik, David E Clemmer
Affiliations

DL-Proline

Sunnie Myung et al. Acta Crystallogr C. 2005 Aug.

Abstract

In the structure of DL-proline, C5H9NO2, the molecules are connected via classical intermolecular N-H...O hydrogen bonds involving the amine and carboxyl groups [N...O = 2.7129 (15) and 2.8392 (16) A], and form chains along the b-axis direction and parallel to (-101). The chains are linked into sheets via weak non-classical hydrogen bonds. The conformation of the molecule and its packing are notably different from the monohydrated DL-proline form.

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