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From Short-Range to Long-Range Intermolecular NOEs in Ionic Liquids: Frequency Does Matter

Authors


  • This work is supported by the Cluster of Excellence RESOLV (EXC 1069) funded by the Deutsche Forschungsgemeinschaft. NOE=nuclear Overhauser effect.

Abstract

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Frequency-dependent NOE: A new model theory was used to analyze the spatial range of the intermolecular nuclear Overhauser effect in ionic liquids. The spatial range undergoes a transition from long-range nature at low frequency to a short-range character at high frequencies. The experimentally accessible cross-relaxation rate involves contributions from both regimes, but the long-range component dominates.

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