Zeitschrift für physikalische Chemie: Supplementheft, Issue 2Akademische Verlagsgesellschaft, 1982 - Chemistry, Physical and theoretical |
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¹³C a-phase activation energies activation enthalpy Arrhenius atoms calculated Chapt Chem chemical shift contribution coordination sphere coupling constant Debye frequency deduced diffusion coefficient DMF molecules DMSO effect electron spin enthalpy exchange rates experimental results Fe3+ Fe3+/DMF FeCl3 formyl group formyl nuclei Gorski Gorski-effect data gyromagnetic ratio H. G. Hertz Hertz high temperatures hydride phases hydrogen hydrogen diffusion hydrogen nuclei incoherent tunnelling increase interstitial investigated jump frequencies kJ/mol lattice low temperatures measurements methyl groups methyl nuclei Nb¹H nearest-neighbour niobium nuclear magnetic octahedral octahedral interstices P₁ paramagnetic parameters Phys pre-exponential factor proton diffusivity proton relaxation rates ratio relaxation rates 1/T₁ resonance sample Sect solutions of Fe(ClO4)3 solvation sphere solvent solvent molecules spin-lattice relaxation rate spin-spin relaxation ẞ-phase T₁ T₁A T₂ technique Temperature dependence temperature range tetrahedral interstices transverse relaxation rates trapping tritons University of Stuttgart values Völkl Δωμ П₁