Microwave Detection of a Metal Peroxide and Two New Metal Dicarbides: The Precise Semiexperimental Equilibrium Structures of CaO2, SrC2, and YbC2.

J Phys Chem A · 2026 · PMC12794174 · PMID 41407500

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closest p

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a clear trendno p-value reported

If we take the O 2 2– ligand in CaO 2 as a proxy for the free dianion, then there is a clear trend in bond order vs bond length in the O 2 + , O 2 , O 2 – , and O 2 2– species.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.

Microwave Detection of a Metal Peroxide and Two New Metal Dicarbides: The Precise Semiexperimental Equilibrium Structures of CaO&lt;sub&gt;2&lt;/sub&gt;, SrC&lt;sub&gt;2&lt;/sub&gt;, and YbC&lt;sub&gt;2&lt;/sub&gt;.

The sentences

Microwave Detection of a Metal Peroxide and Two New Metal Dicarbides: The Precise Semiexperimental Equilibrium Structures of CaO<sub>2</sub>, SrC<sub>2</sub>, and YbC<sub>2</sub>.