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1. Molecular and macromolecular mobility
1.1 Different movements of a molecular object
The properties of molecules, molecular assemblies and materials are linked to their composition, structure and dynamic properties. The latter are expressed through different dynamic modes (vibrations, librations, rotations, molecular jumps, reorientations, breathings, translations, transports...) which correspond to movements that can be individual, concerted or collective, spatially localized or extended.
Describing these different types of movement requires analysis on extended time and space scales. This type of analysis therefore requires the combined use of numerous spectroscopic techniques, including NMR, which provides a wealth of tools (see figure
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Molecular and macromolecular mobility
Gradient field NMR
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IUPAC project: Diffusion in nanoporous solids, 2015-002-2-100
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Extensive range of equipment for PFG NMR measurements: benchtop NMR, high-field NMR, high-resolution probes with different gradient ranges, cryo probes with field gradients, probe with 1D and 3D field gradients, PFG-MAS-NMR, NMR imaging, data processing software.
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