A heterodinuclear macrocyclic complex containing both Yb3+ and Na+ ions has been synthesized and characterized by X-ray crystallography and 1H and 23Na solution NMR; at room temperature the coordinated Na+ ion is in slow chemical exchange with free Na+ ions and its NMR resonance is strongly shifted.
Hetero-dinuclear sodium-lanthanide(III) complexes with an asymmetric compartmental macrocycle
AIME, Silvio;BARGE, Alessandro;BOTTA, Mauro
2000-01-01
Abstract
A heterodinuclear macrocyclic complex containing both Yb3+ and Na+ ions has been synthesized and characterized by X-ray crystallography and 1H and 23Na solution NMR; at room temperature the coordinated Na+ ion is in slow chemical exchange with free Na+ ions and its NMR resonance is strongly shifted.
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