Synthesis and Structure of 2,5-Bis[N‑(2,6-mesityl)iminomethyl]pyrrolylcobalt(II): Evidence for
One-Electron-Oxidized, Redox Noninnocent Ligand Behavior

Peters, Garvin
M.; Winegrad, Jacob B.; Gau, Michael R.; Imler, Gregory H.; Xu, Beibei; Ren, Shenqiang; Wayland, Bradford B.; Zdilla, Michael J.

doi:10.1021/acs.inorgchem.6b02898.s001

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Synthesis and Structure of 2,5-Bis[N‑(2,6-mesityl)iminomethyl]pyrrolylcobalt(II): Evidence for One-Electron-Oxidized, Redox Noninnocent Ligand Behavior

journal contribution

posted on 2017-02-27, 18:51 authored by Garvin M. Peters, Jacob B. Winegrad, Michael R. Gau, Gregory H. Imler, Beibei Xu, Shenqiang Ren, Bradford B. Wayland, Michael J. Zdilla

The title complex Co(Mes₂pyr)Cl₂ is prepared from CoCl₂ and (Mes₂pyr)H. Instead of the expected (Mes₂pyr)CoCl complex, a complex with formula (Mes₂pyr)CoCl₂ is isolated wherein the angle strain of the Mes₂pyr ligand results in metal ligation by only two of the three ligand donor atoms. Careful examination of structural, spectroscopic, and magnetic features indicates this compound is best described as a complex of high-spin Co(II) with a neutral radical ligand.