Changes in the aggregation patterns of Z-2,3-diphenylpropenoic acid and its methyl ester on substituting the olefinic hydrogen with CF3 group—an FT-IR study

Kiss T., János and Felföldi, Károly and Pálinkó, István (2005) Changes in the aggregation patterns of Z-2,3-diphenylpropenoic acid and its methyl ester on substituting the olefinic hydrogen with CF3 group—an FT-IR study. JOURNAL OF MOLECULAR STRUCTURE, 744-47. pp. 207-210. ISSN 0022-2860

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Abstract

While in the unsubstituted Z-2,3-diphenylpropenoic acid and its methyl ester the olefinic protons rarely were part of any hydrogen bonding interaction, upon substitution by CF3 group, the possibility of (aromatic)C-H... F intermolecular hydrogen bond appeared and indeed realised for the molecules (E-2,3-diphenyl-3-CF3-propenoic acid and its methyl ester) in the solid state. This type of close contact was indicated experimentally by FT-IR spectroscopy.

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