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Probing Edge/Support Electronic Cooperativity in Single Edge Fe/Co6Se8 Clusters.
Mitchell, Benjamin S; Chirila, Andrei; Anderton, Kevin J; Kaminsky, Werner; Velian, Alexandra.
Affiliation
  • Mitchell BS; Department of Chemistry, University of Washington, Seattle, Washington 98195, United States.
  • Chirila A; Department of Chemistry, University of Washington, Seattle, Washington 98195, United States.
  • Anderton KJ; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States.
  • Kaminsky W; Department of Chemistry, University of Washington, Seattle, Washington 98195, United States.
  • Velian A; Department of Chemistry, University of Washington, Seattle, Washington 98195, United States.
Inorg Chem ; 62(26): 10497-10503, 2023 Jul 03.
Article in En | MEDLINE | ID: mdl-37318196
This study provides insights into the electronic structure of an atomically precise Fe/Co6Se8 cluster and the extent of redox cooperativity between the Fe active site and the noninnocent Co6Se8 support. Chemical oxidation studies enable the isolation of two types of oxidized Fe/Co6Se8 clusters, in which the nature of the counterion (I- or OTf-) significantly impacts the structural interactions between Fe and the Co6Se8 unit. Experimental characterization by single crystal X-ray diffraction, 57Fe Mössbauer spectroscopy, and 31P{1H} NMR spectroscopy is complemented by computational analysis. In aggregate, the study reveals that upon oxidation, the charge is shared between the Fe edge site and the Co6Se8 core.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Inorg Chem Year: 2023 Document type: Article Affiliation country: United States Country of publication: United States
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Inorg Chem Year: 2023 Document type: Article Affiliation country: United States Country of publication: United States