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Complexation of the La(III) cation by p -sulfonatocalix[4]arene — A 139 La NMR study

✍ Scribed by Israëli, Yaël; Bonal, Christine; Detellier, Christian; Morel, Jean-Pierre; Morel-Desrosiers, Nicole


Book ID
126909003
Publisher
NRC Research Press
Year
2002
Tongue
French
Weight
193 KB
Volume
80
Category
Article
ISSN
0008-4042

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Reorientational dynamics of p-sulfonatoc
✍ Yaël Israëli; Glenn A. Facey; Christian Detellier 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB

## Abstract The reorientational dynamics of __p__‐sulfonatocalix[4]arene and of its La(III) complex in deuterated water were studied by ^1^H NMR longitudinal relaxation rates. It is shown that the relaxation is purely dipolar in the non‐extreme narrowing regime. The distance between the geminal pro