Abstract
In the title compound, C10H9Cl2NO3, the conformation of the N—H bond in the amide segment is syn with respect to the ortho-Cl atom and anti to the meta-Cl atom of the benzene ring. In the crystal, intermolecular O—H⋯O and N—H⋯O hydrogen bonds pack the molecules into two types of chains along the a and b axes, respectively, leading to an overall sheet structure. The acid group in the side chain is disordered and was refined using a split model with site-occupation factors of 0.60:0.40.
Highlights
In the title compound, C10H9Cl2NO3, the conformation of the N—H bond in the amide segment is syn with respect to the ortho-Cl atom and anti to the meta-Cl atom of the benzene ring
H atoms treated by a mixture of independent and constrained refinement
Intermolecular O—HÁ Á ÁO and N—HÁ Á ÁO hydrogen bonds pack the molecules into two types of chains along the a and b axes, respectively, leading to an overall sheet structure
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.007 A; disorder in main residue; R factor = 0.077; wR factor = 0.171; data-to-parameter ratio = 11.1. Monoclinic, P21=c a = 5.726 (1) Ab = 4.787 (1) Ac = 41.583 (6) A = 91.93 (2) V = 1139.2 (4) A 3
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