Unusually Sharp Dependence of Water Exchange Rate versus Lanthanide Ionic Radii for a Series of Tetraamide Complexes

The tetraamide ligand, DOTA-tetra(glycine ethyl ester), forms complexes with the lanthanide(III) cations that exist in solution predominantly as the square antiprism structure with single, slowly exchanging inner-sphere water molecule. Variable-temperature 1H and 17O NMR studies revealed that the bo...

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Veröffentlicht in:	Journal of the American Chemical Society 2002-04, Vol.124 (16), p.4226-4227
Hauptverfasser:	Zhang, Shanrong, Wu, Kuangcong, Sherry, A. Dean
Format:	Artikel
Sprache:	eng
Schlagworte:	Amides - chemistry Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Kinetics Lanthanoid Series Elements - chemistry Magnetic Resonance Spectroscopy - methods Magnetic resonances and relaxations in condensed matter, mössbauer effect Nuclear magnetic resonance and relaxation Physics Relaxation effects Water - chemistry
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