An extreme water exchange rate: the europium(II) aqua ion

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P. Caravan and André E. Merbach


Abstract

The rate of water exchange at the europium(II) aqua ion is measured by a combined variable-temperature 17O NMR and EPR study; it is the fastest aqua exchange rate ever directly measured by magnetic resonance for a non Jahn–Teller ion, 3.5 × 109 s1 at 25 °C.


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