ArticleJournal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry2015
Oxidized and reduced [2Fe-2S] clusters from an iron(I) synthon.
Article in Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 27 citations in OpenAlex.
- Multistate reactivity of weak-field clusters at ambient temperatures.Nature communications · 2026Review
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- Mössbauer and Nuclear Resonance Vibrational Spectroscopy Studies of Iron Species Involved in N-N Bond Cleavage.Inorganic chemistry · 2023Article
- Valence Delocalization and Metal-Metal Bonding in Carbon-Bridged Mixed-Valence Iron Complexes.Chemistry (Weinheim an der Bergstrasse, Germany) · 2023Article
- [2Fe-2S] Cluster Supported by Redox-ActiveInorganic chemistry · 2021Article
- A Molecular Low-Coordinate [Fe-S-Fe] Unit in Three Oxidation States.Chemistry (Weinheim an der Bergstrasse, Germany) · 2021Article
- Cleavage of cluster iron-sulfide bonds in cyclophane-coordinated FeDalton transactions (Cambridge, England : 2003) · 2021Article
- The influences of carbon donor ligands on biomimetic multi-iron complexes for NChemical science · 2020Article
- A [2Fe-1S] Complex That Affords Access to Bimetallic and Higher-Nuclearity Iron-Sulfur Clusters.Inorganic chemistry · 2019Article
- Density Functional Calculations for Prediction ofACS omega · 2017Article
- Reactivity studies on [Cp'Fe(μ-I)]Chemical science · 2017Article
- Diazoalkanes in Low-Coordinate Iron Chemistry: Bimetallic Diazoalkyl and Alkylidene Complexes of Iron(II).Inorganic chemistry · 2017Article
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6 authors at 2 institutions in 1 country.
Funding
Abstract
Synthetic [2Fe-2S] clusters are often used to elucidate ligand effects on the reduction potentials and spectroscopy of natural electron-transfer sites, which can have anionic Cys ligands or neutral His ligands. Current synthetic routes to [2Fe-2S] clusters are limited in their feasibility with a range of supporting ligands. Here, we report a new synthetic route to synthetic [2Fe-2S] clusters, through oxidation of an iron(I) source with elemental sulfur. This method yields a neutral diketiminate-supported [2Fe-2S] cluster in the diiron(III)-oxidized form. The oxidized [2Fe-2S] cluster can be reduced to a mixed valent iron(II)-iron(III) compound. Both the diferric and reduced mixed valent clusters are characterized using X-ray crystallography, Mössbauer spectroscopy, EPR spectroscopy and cyclic voltammetry. The reduced compound is particularly interesting because its X-ray crystal structure shows a difference in Fe-S bond lengths to one of the iron atoms, consistent with valence localization. The valence localization is also evident from Mössbauer spectroscopy.
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