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Issue 9, 2006
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Can a single C–H⋯F–C hydrogen bond make a difference? Assessing the H⋯F bond strength from 2-D 1H-19F CP/MAS NMR

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Abstract

Contrary to common belief a single C–H⋯F–C contact in [(η5-C5H5)Pd(C6F5)(PPh3)] is strong enough to pair two independent molecules and render them crystallographically different as suggested by its strongest 1H–19F dipole–dipole coupling in a 2-D CP/MAS PILGRIM NMR experiment together with solid state 1-D 19F{1H} and 2-D 19F RFDR NMR spectroscopy – thereby proving the power of 2-D solid-state NMR for assessing the strength of supramolecular contacts.

Graphical abstract: Can a single C–H⋯F–C hydrogen bond make a difference? Assessing the H⋯F bond strength from 2-D 1H-19F CP/MAS NMR

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Publication details

The article was received on 25 Jul 2006, accepted on 01 Aug 2006 and first published on 09 Aug 2006


Article type: Communication
DOI: 10.1039/B610718B
Citation: CrystEngComm, 2006,8, 662-665
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    Can a single C–H⋯F–C hydrogen bond make a difference? Assessing the H⋯F bond strength from 2-D 1H-19F CP/MAS NMR

    G. Althoff, J. Ruiz, V. Rodríguez, G. López, J. Pérez and C. Janiak, CrystEngComm, 2006, 8, 662
    DOI: 10.1039/B610718B

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