Abstract
The title compound, C10H6Cl3NO3, crystallizes with two independent molecules in the asymmetric unit. The molecular structure is stabilized by a short intramolecular O—H⋯O hydrogen bond within the maleamic unit. In the crystal, each molecule self-associates via N—H⋯O hydrogen bonds into chains, each running along the b axis. Two short intermolecular Cl⋯O contacts [3.1267 (15) and 3.0523 (12) Å] and C—H⋯O interactions interconnect these chains into a three-dimensional network.
Highlights
The title compound, C10H6Cl3NO3, crystallizes with two independent molecules in the asymmetric unit
Each molecule self-associates via N—H O hydrogen bonds into chains, each running along the b axis
H atoms treated by a mixture of independent and constrained refinement max = 0.28 e Å3
Summary
K. Shakuntalaa and Hartmut Fuessc a Department of Chemistry, Mangalore University, Mangalagangotri 574 199, Mangalore, India, bFaculty of Chemical and Food Technology, Slovak Technical. University, Radlinského 9, SK-812 37 Bratislava, Slovak Republic, and cInstitute of Materials Science, Darmstadt University of Technology, Petersenstrasse 23, D-64287. R factor = 0.028; wR factor = 0.079; data-to-parameter ratio = 14.0. The title compound, C10H6Cl3NO3, crystallizes with two independent molecules in the asymmetric unit. The molecular structure is stabilized by a short intramolecular O—H O hydrogen bond within the maleamic unit. Each molecule self-associates via N—H O hydrogen bonds into chains, each running along the b axis. H O interactions interconnect these chains into a threedimensional network. H atoms treated by a mixture of independent and constrained refinement max = 0.28 e Å3.
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