Crystal structure of 3-(4-chlorophenoxy)-4-(2-nitrophenyl)azetidin-2-one with an unknown solvate

Sevim Türktekin Çelikesir, Mehmet Akkurt*, Aliasghar Jarrahpour, Habib Allah Shafie, Ömer Çelik, W. T A Harrison (Editor)

*Corresponding author for this work

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In the title compound, C15H11ClN2O4, the central β-lactam ring is approximately planar [maximum deviation = 0.044 (2) Å for the N atom from the mean plane] and subtends dihedral angles of 61.17 (11) and 40.21 (12)°, respectively, with the nitro and chlorobenzene rings. Both substituents lie to the same side of the β-lactam core. In the crystal, N - H⋯O hydrogen bonds link the molecules into C(4) chains propagating in [010]. The chains are cross-linked by C - H⋯O and weak C - H⋯π interactions, generating a three-dimensional network. The solvent molecules were found to be highly disordered and their contribution to the scattering was removed with the SQUEEZE procedure in PLATON [Spek (2009). Acta Cryst. D65, 148-155], which indicated a solvent cavity of volume 318 Å3 containing approximately 114 electrons. These solvent molecules are not considered in the given chemical formula and other crystal data.

Original languageEnglish
Pages (from-to)o8-o9
Number of pages2
JournalActa Crystallographica Section E: Structure Reports Online
Issue number1
Publication statusPublished - 1 Jan 2015

Bibliographical note

The authors are indebted to the X-ray laboratory of Dicle University Scientific and Technological Applied and Research Center, Diyarbakir, Turkey, for use of the X-ray diffractometer. AJ and HAS thank the Shiraz University Research Council for financial support.


  • C - H⋯πinteractions
  • C(4) chain
  • Crystal structure
  • Hydrogen bonding
  • Hydrogen bonds
  • N-unsubstituted 2-azetidinone
  • β-lactam ring


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