17O nuclear magnetic resonance studies of lanthanide ion-proline complexes

A. Dean Sherry; Mangal Singh

doi:10.1016/0022-5088(83)90035-8

¹⁷O nuclear magnetic resonance studies of lanthanide ion-proline complexes

Research output: Contribution to journal › Article › peer-review

Abstract

¹⁷O lanthanide-induced paramagnetic shifts are reported for nine different lanthanide ion-proline complexes in aqueous solution at pH 3. The results indicate that the hyperfine coupling constant for the directly liganded proline and water oxygens is indeed invariant for the nine lanthanide cations examined. This suggests that previous breaks in data for lanthanide-induced shifts along the lanthanide cation series must arise from changes in the non-axial dipolar contributions to these shifts near the center of the series.

Original language	English (US)
Pages (from-to)	343-349
Number of pages	7
Journal	Journal of The Less-Common Metals
Volume	94
Issue number	2
DOIs	https://doi.org/10.1016/0022-5088(83)90035-8
State	Published - Oct 17 1983

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Engineering(all)

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10.1016/0022-5088(83)90035-8

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title = "17O nuclear magnetic resonance studies of lanthanide ion-proline complexes",

abstract = "17O lanthanide-induced paramagnetic shifts are reported for nine different lanthanide ion-proline complexes in aqueous solution at pH 3. The results indicate that the hyperfine coupling constant for the directly liganded proline and water oxygens is indeed invariant for the nine lanthanide cations examined. This suggests that previous breaks in data for lanthanide-induced shifts along the lanthanide cation series must arise from changes in the non-axial dipolar contributions to these shifts near the center of the series.",

author = "{Dean Sherry}, A. and Mangal Singh",

note = "Funding Information: This investigation was supported by a National Institutes of Health Research Grant AM16947 from the National Institute of Arthritis, Metabolism and Digestive Diseases, Department of Health, Education and Welfare, and by Grant AT-584 from The Robert A. Welch Foundation. One of us (MS.) is also grateful to the Guru Nanak Dev University, Amritsar, for study leave.",

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doi = "10.1016/0022-5088(83)90035-8",

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T1 - 17O nuclear magnetic resonance studies of lanthanide ion-proline complexes

AU - Dean Sherry, A.

AU - Singh, Mangal

N1 - Funding Information: This investigation was supported by a National Institutes of Health Research Grant AM16947 from the National Institute of Arthritis, Metabolism and Digestive Diseases, Department of Health, Education and Welfare, and by Grant AT-584 from The Robert A. Welch Foundation. One of us (MS.) is also grateful to the Guru Nanak Dev University, Amritsar, for study leave.

PY - 1983/10/17

Y1 - 1983/10/17

N2 - 17O lanthanide-induced paramagnetic shifts are reported for nine different lanthanide ion-proline complexes in aqueous solution at pH 3. The results indicate that the hyperfine coupling constant for the directly liganded proline and water oxygens is indeed invariant for the nine lanthanide cations examined. This suggests that previous breaks in data for lanthanide-induced shifts along the lanthanide cation series must arise from changes in the non-axial dipolar contributions to these shifts near the center of the series.

AB - 17O lanthanide-induced paramagnetic shifts are reported for nine different lanthanide ion-proline complexes in aqueous solution at pH 3. The results indicate that the hyperfine coupling constant for the directly liganded proline and water oxygens is indeed invariant for the nine lanthanide cations examined. This suggests that previous breaks in data for lanthanide-induced shifts along the lanthanide cation series must arise from changes in the non-axial dipolar contributions to these shifts near the center of the series.

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¹⁷O nuclear magnetic resonance studies of lanthanide ion-proline complexes

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