Cerium exhibits distinct alternative electronic configurations
the verdict
SUPPORTED
the evidence backs this
confidence 82/100
Multiple studies substantiate that cerium exhibits distinct alternative electronic configurations, notably involving localized versus itinerant 4f electron states and variable oxidation/spin states.
Evidence for · 3
Cerium; crystal structure and position in the periodic table.
2014 · cited by 13
Discusses how cerium's high-pressure volume collapse involves a transition of the 4f electron between localized and itinerant states.
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More for · 2
Rare Earth Ce/CeO<sub>2</sub> Electrocatalysts: Role of High Electronic Spin State of Ce and Ce<sup>3+</sup>/Ce<sup>4+</sup> Redox Couple on Oxygen Reduction Reaction.
2025 · cited by 6
Highlights the Ce3+/Ce4+ redox couple and high electronic spin states in cerium-based catalytic systems.
A comprehensive approach for elucidating the interplay between 4f <sup><i>n</i>+1</sup> and 4f <sup><i>n</i></sup> 5d<sup>1</sup> configurations in Ln<sup>2+</sup> complexes.
2025 · cited by 5
Examines varying ground state configurations such as 4fn+1 versus 4fn5d1 in lanthanide complexes including cerium.