Abstract
AbstractExperimental results for the nuclear magnetic relaxation rate of Li7in H2O and D2O solutions of LiCl, LiBr, and LiI are reported. The relaxation contribution due to magnetic dipole‐dipole interaction is separated, the rotational correlation time of the vector connecting the cation with the 1st hydration water is determined and the latter time is compared with the correlation time of the H – H vector in H2O of the 1st hydration sphere. Both times are not equal which indicates that the water molecules rotates about the Li – O axis. The quadrupolar contribution to the relaxation rate of Li7is interpreted in terms of a break‐down of cubic symmetry in the hydration sphere as the salt concentration increases. Self‐diffusion data of Li+in LiCl, LiBr, and LiI solutions are as well reported and a structural interpretation of the concentration dependence is given.Proton relaxation rates of AlCl3solutions containing 100% H2O and of those which contain only a very small amount of HDO in D2O are given. The evaluation yields the result that the correlation times of the two vectors in the hydration sphere as described above are equal for Al3+. Some structural consequences are described, proton relaxation rates in Ga3+solutions, Al27relaxation rates in AlCl3solutions, and water self‐diffusion coefficients in AlCl3solutions are reported.
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Dates
Type | When |
---|---|
Created | 9 years, 8 months ago (Dec. 16, 2015, 9:29 p.m.) |
Deposited | 1 year, 2 months ago (June 13, 2024, 12:10 a.m.) |
Indexed | 1 week, 1 day ago (Aug. 29, 2025, 6:08 a.m.) |
Issued | 53 years, 10 months ago (Nov. 1, 1971) |
Published | 53 years, 10 months ago (Nov. 1, 1971) |
Published Online | 15 years, 4 months ago (May 4, 2010) |
Published Print | 53 years, 10 months ago (Nov. 1, 1971) |
@article{Hertz_1971, title={Molecular Motion and Structure around the Hydrated Ions Li+and Al3+}, volume={75}, ISSN={0005-9021}, url={http://dx.doi.org/10.1002/bbpc.19710751108}, DOI={10.1002/bbpc.19710751108}, number={11}, journal={Berichte der Bunsengesellschaft für physikalische Chemie}, publisher={Wiley}, author={Hertz, H. G. and Tutsch, R. and Versmold, H.}, year={1971}, month=nov, pages={1177–1191} }