= Mark S. Wrighton
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<Mark S. Wrighton> coauthored isolation and characterization of a photogenerated, carbonyl-bridged <iron> dimer with a triplet ground state. Structural and magnetic measurements jointly constrain its electronic description.
The example illustrates a limit of simple <electron counting>: an eighteen-electron formal count does not by itself prove that every multinuclear complex must have a closed-shell singlet ground state.<Dinuclear, 18-electron species having a triplet ground state: isolation, characterization, and crystal structure of photogenerated (η5-C5Me5)2Fe2(μ-CO)3 by Josephine Paw Blaha and others>[Isolation, crystal structure, and magnetic characterization]{ref}
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