Structures of kinetically inert complexes of Ln3+

These complexes do not have sufficient thermodynamic stability to be prepared in aqueous solution, but once formed, they are kinetically inert i.e. they do not dissociate in aqueous solution.

 

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hexa-aza macrocycle cryptand texaphyrin
Hexa-aza Schiff base macrocycle
[LaL(NO3)3]

Eu complex with cryptand ligand
[Eu(crypt)(NO3)]3+

La complex with texaphyrin ligand
[La(texaphyrin)(NO3)2]+

CHEM411 index