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The pitfalls of using JHF spin-spin coupling constants to infer hydrogen bond formation in organofluorine compounds

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Author(s):
Cariello, Guilherme ; Zeoly, Lucas A. ; Piscelli, Bruno A. ; Lectka, Thomas ; Cormanich, Rodrigo A.
Total Authors: 5
Document type: Journal article
Source: CHEMICAL COMMUNICATIONS; v. 59, n. 99, p. 4-pg., 2023-11-15.
Abstract

Theoretical decomposition of "through space" spin-spin coupling constants (SSCCs) in organofluorine compounds signal that intramolecular hydrogen bonds (H-bonds) are not the primary mechanism of transmission for SSCCs. Increasing solvent polarity may disrupt H-bonds, but not necessarily the JFH SSCC. Substituent effects may drastically alter the SSCC transmission pathway. Accurate SSCC analysis requires benchmarking theoretical calculations to support experimental data interpretation. (AU)

FAPESP's process: 23/14064-2 - Modeling the Interaction of Janus-Face Cyclohexanes with dsDNA and ssDNA
Grantee:Bruno de Almeida Piscelli
Support Opportunities: Scholarships abroad - Research Internship - Doctorate (Direct)
FAPESP's process: 22/16188-8 - Computational and experimental studies of hydrogen bonding involving organic F atoms as acceptors
Grantee:Guilherme Cariello Silva
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 18/03910-1 - Physicochemical studies of fluorinated organic compounds: experimental and theoretical approaches
Grantee:Rodrigo Antonio Cormanich
Support Opportunities: Research Grants - Young Investigators Grants