Cerium exhibits distinct alternative electronic configurations

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Multiple studies substantiate that cerium exhibits distinct alternative electronic configurations, notably involving localized versus itinerant 4f electron states and variable oxidation/spin states.

The analysis

The retrieved papers provide robust physical and chemical evidence demonstrating that cerium features alternative electronic configurations (such as localized versus itinerant 4f states, differing ground-state configurations, and redox states like Ce3+ versus Ce4+). Therefore, the specific and contestable claim that cerium exhibits distinct alternative electronic configurations is supported.

Evidence for · 3

Cerium; crystal structure and position in the periodic table.

Recorded source metadata

Johansson B, Luo W, Li S, Ahuja R. Cerium; crystal structure and position in the periodic table.. 2014. https://doi.org/10.1038/srep06398

Discusses how cerium's high-pressure volume collapse involves a transition of the 4f electron between localized and itinerant states.

Source citation format

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More for · 2

Rare Earth Ce/CeO2 Electrocatalysts: Role of High Electronic Spin State of Ce and Ce3+/Ce4+ Redox Couple on Oxygen Reduction Reaction.

Recorded source metadata

Peera SG, Kim SW. Rare Earth Ce/CeO2 Electrocatalysts: Role of High Electronic Spin State of Ce and Ce3+/Ce4+ Redox Couple on Oxygen Reduction Reaction.. 2025. https://doi.org/10.3390/nano15080600

Highlights the Ce3+/Ce4+ redox couple and high electronic spin states in cerium-based catalytic systems.

Source citation format

A comprehensive approach for elucidating the interplay between 4f n+1 and 4f n 5d1 configurations in Ln2+ complexes.

Recorded source metadata

Beltran-Leiva MJ, Moore WNG, Jenkins TF, Evans WJ, Albrecht TE, Celis-Barros C. A comprehensive approach for elucidating the interplay between 4f n+1 and 4f n 5d1 configurations in Ln2+ complexes.. 2025. https://doi.org/10.1039/d4sc05438e

Examines varying ground state configurations such as 4fn+1 versus 4fn5d1 in lanthanide complexes including cerium.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8201 Aug 2026

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