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Inter- and Intramolecular CF center dot center dot center dot C=O Interactions on Aliphatic and Cyclohexane Carbonyl Derivatives

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Author(s):
Cormanich, Rodrigo A. ; Rittner, Roberto ; O'Hagan, David ; Buehl, Michael
Total Authors: 4
Document type: Journal article
Source: Journal of Computational Chemistry; v. 37, n. 1, p. 9-pg., 2016-01-05.
Abstract

Weak inter- and intra-molecular C delta+ F delta- center dot center dot center dot C delta+=O delta- interactions were theoretically evaluated in 4 different sets of compounds at different theoretical levels. Intermolecular CH3F center dot center dot center dot C=O interactions were stabilizing by about 1 kcal mol(-1) for various carbonyl containing functional groups. Intramolecular CF center dot center dot center dot C=O interactions were also detected in aliphatic and fluorinated cyclohexane carbonyl derivatives. However, the stabilization provided by intramolecular CF center dot center dot center dot C=O interactions was not enough to govern the conformational preferences of compounds 2-4. (C) 2015 Wiley Periodicals, Inc. (AU)

FAPESP's process: 14/25903-6 - Molecular structure of some amino acids and dipeptides
Grantee:Roberto Rittner Neto
Support Opportunities: Regular Research Grants
FAPESP's process: 11/01170-1 - Physicochemical studies of organic compounds: long range inractions and conformational analysis of organofluorine compounds.
Grantee:Rodrigo Antonio Cormanich
Support Opportunities: Scholarships in Brazil - Doctorate