Received 8 December 2013
In the title compound, C13H11ClN4O3, the phenyl and pyrrolyl ring are linked by an acyl-hydrazone (R2C=N-N-CO-R) group, forming a slightly bent molecule: the dihedral angle subtended by the the phenyl and pyrrolyl rings is 8.46 (12)°. In the crystal, the three-dimensional supramolecular structure is assembled by N-HO hydrogen bonding. Molecular sheets are formed parallel to (101) in a herringbone arrangement by weak van der Waals interactions; weak - [centroid-centroid phenyl-phenyl and pyrrolyl-pyrrolyl distances of 3.7816 (3) and 3.8946 (2) Å, respectively] interactions occur between neighbouring sheets.
Data collection: SMART (Bruker, 1999); cell refinement: SAINT (Bruker, 1999); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 1999) and SHELXTL (Sheldrick, 2008); software used to prepare material for publication: PLATON (Spek, 2009) and SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: FF2124 ).
This work was supported by the National-level College Students' Innovative Training Plan Program of the People's Republic of China (grant No. 201310122001) and the Scientific Research Foundation for PhDs of Changzhi University.
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