The effect of temperature and solvent upon geminal proton-deuteron spin-spin splitting |
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| Affiliation: | 1. Institute of Applied Electrodynamics and Telecommunications, Faculty of Physics, Vilnius University, Saulėtekio 9-3, 10222, Vilnius, Lithuania;2. AGH University of Science and Technology, Faculty of Fuels and Energy, Cracow al. Mickiewicza 30, Poland;3. AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Department of Ceramics and Refractories, al. A. Mickiewicza 30, 30-059, Krakow, Poland;4. Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, PL-30239, Krakow, Poland;5. Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15, Bratislava, Slovakia;1. Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, China University of Mining and Technology, Xuzhou 221108, China;2. Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou, 221008, China;3. Coal Reservoir Laboratory of National Engineering Research Center of CBM Development & Utilization, Beijing 100083, China;4. School of Energy Resource, China University of Geosciences (Beijing), Beijing 100083, China;5. School of Mineral Resource and Geoscience, China University of Mining and Technology, Xuzhou 221116, China;1. Particle and Interfacial Technology Group, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium;2. Laboratory of Food Technology and Engineering, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium;1. School of Physics and Astronomy, University of St. Andrews, St. Andrews KY16 9SS, UK;2. Nucleic Acids Structure Research Group, University of Dundee, Dundee DD1 5EH, UK;3. Centre for Gene Regulation and Expression, University of Dundee, Dundee DD1 5EH, UK |
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| Abstract: | For a series of eight deuterated organic molecules it was shown that geminal proton-deuteron spin-spin splitting is both temperature and solvent dependent. Lowering of temperature leads to decoupling of the nuclei. This phenomenon is discussed in terms of the effect of molecular motion upon the efficiency of quadrupolar relaxation. Other dominant factors are molecular shape, intermolecular forces and solvent polarity. |
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