Received 4 March 2013
The molecular structure of the title compound, C12H19NO5, may be visualized as made up of two nearly perpendicular planes [dihedral angle = 87.39 (12)°] and its crystal structure is a good example of C-HO interactions assuming significance in optimizing supramolecular aggregation in crystals in a molecule which is severely imbalanced in terms of donors to acceptor atoms. The pyrrolidine ring adopts a (3T2) twist conformation with puckering parameters Q = 0.2630 (4) Å and = 59 (9)°. The crystal structure features R24(10) and R34(26) ring motifs formed by four weak C-HO interactions, leading to supramolecular sheets lying parallel to the bc plane.
For general background, see: Holladay et al. (1991); Kayushina & Vainshtein (1966); Wu (2009). For the biological activity of proline derivatives, see: Hayashi et al. (2003); Nishikawa & Murakami (2005). For hydrogen bonding, see: Bernstein et al. (1995). For puckering parameters, see: Cremer & Pople (1975). For a description of the Cambridge Structural Database, see: Allen (2002).
Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL and PLATON (Spek, 2009).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BX2436 ).
The authors thank Dr MutharasuDevarajan, Associate Professor, and the staff of the X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, for their help with the data collection.
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