Abstract
The title chalcone, of formula C15H11F1O2, crystallized in the orthorhombic space group P212121 (# 19) with crystal parameters a = 6.9998(8) Å, b = 12.6740(15) Å, c = 12.8997(15) Å, V = 1144.4(2) Å3, Z = 4, determined at 100 K with MoKα radiation. The solid-state structure displays an intramolecular S(6) hydrogen bond and the crystal architecture is maintained by intermolecular F⋯H, O⋯H, and C⋯C short contacts. A DFT geometry optimization is compared with the experimental structure. As 19F NMR spectroscopy can be used for metabolic tagging of biologically active compounds (including chalcones), the solution-state 19F chemical shift and 13C19F coupling constants (nJ) are also reported.
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The authors acknowledge the support of the University of KwaZulu-Natal (Pietermaritzburg) and the National Research Foundation (NRF) of South Africa.
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Supplementary material 1. Supplementary information in the form of crystallographic data (CCDC 1048845) may be obtained via the web at the URL http://www.ccdc.cam.ac.uk/, via email from data_request@ccdc.cam, or by contacting the Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge, CB21FZ, United Kindgom. (PDF 1841 KB)
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Slabber, C.A., Grimmer, C.D., Munro, O.Q. et al. Synthesis, Characterization, and Crystal Structure of (2E)-3-(4-Fluorophenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one. J Chem Crystallogr 48, 213–219 (2018). https://doi.org/10.1007/s10870-018-0732-4
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DOI: https://doi.org/10.1007/s10870-018-0732-4