Gesellschaft Deutscher Chemiker
Keine Benachrichtigungen
Sie haben noch keine Lesezeichen


Fate of Oxidation States at Actinide Centers in Redox‐Active Ligand Systems Governed by Energy Levels of 5f Orbitals

Von Wiley-VCH zur Verfügung gestellt

We report the formation of a NpIV complex from the complexation of NpVIO22+ with the redox-active ligand tBu-pdiop2− = 2,6-bis[N-(3,5-di-tert-butyl-2-hydroxyphenyl)iminomethyl]pyridine. To the best of our knowledge, this is the first example of the direct complexation-induced chemical reduction of NpVIO22+ to NpIV. In contrast, the complexation of UVIO22+ with tBu-pdiop2− did not induce the reduction of UVIO22+, not even after the two-electron electrochemical reduction of [UVIO2(tBu-pdiop)]. This contrast between the Np and U systems may be ascribed to the decrease of the energy of the 5f orbitals in Np compared to those in U. The present findings indicate that the redox chemistry between UVIO22+ and NpVIO22+ should be clearly differentiated in redox-active ligand systems.

Zum Volltext

Überprüfung Ihres Anmeldestatus ...

Wenn Sie ein registrierter Benutzer sind, zeigen wir in Kürze den vollständigen Artikel.