{"title":"利用单原子离子核的四极核磁共振弛豫研究电解质溶液中的溶剂-壳层对称性","authors":"V.I. Chizhik, I.S. Podkorytov, A.P. Kaikkonen, V.I. Mikhailov","doi":"10.1006/jmra.1996.0207","DOIUrl":null,"url":null,"abstract":"<div><p>The spin–lattice relaxation rates of<sup>7</sup>Li,<sup>23</sup>Na,<sup>27</sup>Al,<sup>71</sup>Ga, and<sup>139</sup>La nuclei in electrolyte solutions have been investigated as functions of the isotopic composition of the solvent. The results show that quadrupolar relaxation of the nuclei of monoatomic ions is extremely sensitive to the symmetry of the solvation shells. The data are compared to the results for the<sup>2</sup>H and<sup>17</sup>O nuclei of the solvent molecules and the<sup>14</sup>N nucleus of the nitrate anion. A semiquantitative description of the observed effects is given.</p></div>","PeriodicalId":16165,"journal":{"name":"Journal of Magnetic Resonance, Series A","volume":"123 1","pages":"Pages 1-6"},"PeriodicalIF":0.0000,"publicationDate":"1996-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1006/jmra.1996.0207","citationCount":"6","resultStr":"{\"title\":\"A Study of Solvation-Shell Symmetry in Electrolyte Solutions Using Quadrupolar NMR Relaxation of the Nuclei of Monoatomic Ions\",\"authors\":\"V.I. Chizhik, I.S. Podkorytov, A.P. Kaikkonen, V.I. Mikhailov\",\"doi\":\"10.1006/jmra.1996.0207\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The spin–lattice relaxation rates of<sup>7</sup>Li,<sup>23</sup>Na,<sup>27</sup>Al,<sup>71</sup>Ga, and<sup>139</sup>La nuclei in electrolyte solutions have been investigated as functions of the isotopic composition of the solvent. The results show that quadrupolar relaxation of the nuclei of monoatomic ions is extremely sensitive to the symmetry of the solvation shells. The data are compared to the results for the<sup>2</sup>H and<sup>17</sup>O nuclei of the solvent molecules and the<sup>14</sup>N nucleus of the nitrate anion. A semiquantitative description of the observed effects is given.</p></div>\",\"PeriodicalId\":16165,\"journal\":{\"name\":\"Journal of Magnetic Resonance, Series A\",\"volume\":\"123 1\",\"pages\":\"Pages 1-6\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1006/jmra.1996.0207\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Magnetic Resonance, Series A\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1064185896902077\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Magnetic Resonance, Series A","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1064185896902077","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Study of Solvation-Shell Symmetry in Electrolyte Solutions Using Quadrupolar NMR Relaxation of the Nuclei of Monoatomic Ions
The spin–lattice relaxation rates of7Li,23Na,27Al,71Ga, and139La nuclei in electrolyte solutions have been investigated as functions of the isotopic composition of the solvent. The results show that quadrupolar relaxation of the nuclei of monoatomic ions is extremely sensitive to the symmetry of the solvation shells. The data are compared to the results for the2H and17O nuclei of the solvent molecules and the14N nucleus of the nitrate anion. A semiquantitative description of the observed effects is given.
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