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¹H NMR of Conformationally Flexible Molecules: Temporal Resolution

¹H NMR of Conformationally Flexible Molecules: Temporal Resolution

At room temperature, the chair conformer of cyclohexane undergoes rapid ring flipping between two equivalent chair conformers at a rate of approximately 105 times per second. These two chair conformers are in equilibrium. The rapid ring flipping results in the interconversion of the axial proton to an equatorial proton and an equatorial to the axial proton. Such interconversions are too rapid and cannot be detected on the NMR timescale. Hence, the NMR spectrometer cannot distinguish between the...

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Updated: Jan 1, 2026

High-Resolution Neutron Spectroscopy to Study Picosecond-Nanosecond Dynamics of Proteins and Hydration Water

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Published on: April 28, 2022

Comment on "Combining Diffusion NMR and Small-Angle Neutron Scattering Enables Precise Measurements of Polymer Chain

C Le Coeur¹, J Teixeira¹, S Longeville¹

¹Laboratoire Léon Brillouin, CEA-CNRS, Université de Paris-Saclay, CEA-Saclay, F91191 Gif-sur-Yvette, France.

Physical Review Letters

|December 24, 2019

Summary

No abstract available in PubMed .

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