Volume 56, Issue 2 2000162
Original Paper

The Bonding Interactions in Fluorinated Vinylogous Amides: A CF3-Substituted Carbonyl-β-Aminoenone as a Case Study

Edeimis Espitia Cogollo

Edeimis Espitia Cogollo

CEQUINOR (CONICET-UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Bv. 120 N° 1465, La Plata, 1900 Argentina

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Eliana Jios

Eliana Jios

CEQUINOR (CONICET-UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Bv. 120 N° 1465, La Plata, 1900 Argentina

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Alejandra Hidalgo

Alejandra Hidalgo

CEQUINOR (CONICET-UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Bv. 120 N° 1465, La Plata, 1900 Argentina

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Sonia Elizabeth Ulic

Corresponding Author

Sonia Elizabeth Ulic

CEQUINOR (CONICET-UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Bv. 120 N° 1465, La Plata, 1900 Argentina

Departamento de Ciencias Básicas, Universidad Nacional de Luján, Rutas 5 y 7, 6700 Luján, Buenos Aires, Argentina

E-mail: sonia@quimica.unlp.edu.ar; jljios@quimica.unlp.edu.ar

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Gustavo Alberto Echeverría

Gustavo Alberto Echeverría

Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata e IFLP (CONICET, CCT-La Plata), C. C. 67, La Plata, 1900 Argentina

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Oscar Enrique Piro

Oscar Enrique Piro

Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata e IFLP (CONICET, CCT-La Plata), C. C. 67, La Plata, 1900 Argentina

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Jorge Luis Jios

Corresponding Author

Jorge Luis Jios

Laboratorio UPL (UNLP-CIC), Camino Centenario e/505 y 508, M.B. Gonnet, Buenos Aires, 1897 Argentina

Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 esq. 115, La Plata, 1900 Argentina

E-mail: sonia@quimica.unlp.edu.ar; jljios@quimica.unlp.edu.ar

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First published: 22 December 2020

Abstract

A new perfluoromethylated vinylogous amide, (Z)-4,4,4-trifluoro-1-(2-hydroxyphenyl)-3-(2-methoxyethylamino)-2-buten-1-one, is chosen as an example to investigate the bonding interactions in solid state. The Z, s-cis form is the dominant conformation in both solution and solid state. Intramolecular hydrogen bonding determines this conformational preference in a nonpolar solvent (NMR spectra). Carbonyl and phenol groups are sensitive to the intra- and intermolecular contacts (vibrational spectra). The supramolecular assembly (X-ray diffraction) is governed by NH⋯O and OH⋯O strong intermolecular hydrogen bonds giving rise to center-symmetric R 2 2 ( 16 ) and R 2 2 ( 12 ) graph-set motifs. The π-stacking, F⋯H and F⋯F interactions are also discussed (Hirshfeld analysis).

Conflict of Interest

The authors declare no conflict of interest.

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