Synthesis, kinetic studies, and atom transfer reactivity of [2Fe-2E] model compounds

Erwin A. Weerawardhana, Matthias Zeller, Wei Tsung Lee

Research output: Contribution to journalArticlepeer-review


The synthesis of [2Fe-2E] (E = S and Se) complexes supported by an N-alkyl,N′-aryl-β-diketiminate ligand is described. The [2Fe-2S] model compound has an unusually long Fe⋯Fe distance, but the equivalent distance in the [2Fe-2Se] compound is comparable to those reported in the literature. These model compounds display varying electron transfer capabilities, which were elucidated through electronic spectroscopy and electrochemical analysis. Kinetic data and activation parameters suggest the formation mechanism of the [2Fe-2S] compound. Additionally, to probe the possible sulfur-transfer mechanism of [2Fe-2S] clusters, atom transfer reactivity was pursued.

Original languageEnglish
Pages (from-to)3940-3946
Number of pages7
JournalInorganic Chemistry Frontiers
Issue number13
StatePublished - 1 Jun 2023


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