Abstract
Crystal structure determination of the title complex reveals that the dimethylformamide solvent is bound to the carboxylic function of the hydroxy acid, in the form of a 7-membered hydrogen-bonded loop involving both the expected O-H⋯O and an apparently weak C-H⋯O interaction between host and guest. There is a strong intramolecular hydrogen bond between the phenolic OH and the carbonyl oxygen. Close packing of the complex units is afforded by a herringbone type alignment of host molecules.
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Czugler, M., Cserzö, M., Weber, E. et al. Crystal and molecular structure of the H-bonded complex between 1-chloro-2-hydroxynaphthalene-3-carboxylic acid and dimethylformamide (1∶1). Journal of Crystallographic and Spectroscopic Research 21, 501–505 (1991). https://doi.org/10.1007/BF01160666
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DOI: https://doi.org/10.1007/BF01160666