Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 21, Issue 44, Pages 24373-24382Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cp04379a
Keywords
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Funding
- innovation programme under the Marie Sklodowska-Curie grant [703446]
- Kvantum institute (University of Oulu)
- COST Action (EURELAX) [CA15209]
- European Research Council (ERC) under Horizon 2020 (H2020/2018-2022/ERC grant) [772110]
- Academy of Finland [289649, 285666, 294027, 319216]
- Engineering and Physical Sciences Research Council (EPSRC) [EP/N004884/1]
- EPSRC [EP/N004884/1] Funding Source: UKRI
- Marie Curie Actions (MSCA) [703446] Funding Source: Marie Curie Actions (MSCA)
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The porous solid formed from organic CC3 cage molecules has exceptional performance for rare gas separation. NMR spectroscopy provides a way to reveal the dynamical details by using experimental relaxation and diffusion measurements. Here, we investigated T-1 and T-2 relaxation as well as diffusion of Xe-129 and SF6 gases in the CC3-R molecular crystal at various temperatures and magnetic field strengths. Advanced relaxation modelling made it possible to extract various important dynamical parameters for gases in CC3-R, such as exchange rates, activation energies and mobility rates of xenon, occupancies of the cavities, rotational correlational times, effective relaxation rates, and diffusion coefficients of SF6.
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