A cis‐Divacant Octahedral and Mononuclear Iron(IV) Imide
Angewandte Chemie International Edition, 2014•Wiley Online Library
A rare, low‐spin FeIV imide complex [(pyrr2py) Fe NAd](pyrr2py2−= bis (pyrrolyl) pyridine;
Ad= 1‐adamantyl) confined to a cis‐divacant octahedral geometry, was prepared by
reduction of N3Ad by the FeII precursor [(pyrr2py) Fe (OEt2)]. The imide complex is low‐spin
with temperature‐independent paramagnetism. In comparison to an authentic FeIII complex,
such as [(pyrr2py) FeCl], the pyrr2py2− ligand is virtually redox innocent.
Ad= 1‐adamantyl) confined to a cis‐divacant octahedral geometry, was prepared by
reduction of N3Ad by the FeII precursor [(pyrr2py) Fe (OEt2)]. The imide complex is low‐spin
with temperature‐independent paramagnetism. In comparison to an authentic FeIII complex,
such as [(pyrr2py) FeCl], the pyrr2py2− ligand is virtually redox innocent.
Abstract
A rare, low‐spin FeIV imide complex [(pyrr2py)FeNAd] (pyrr2py2−=bis(pyrrolyl)pyridine; Ad=1‐adamantyl) confined to a cis‐divacant octahedral geometry, was prepared by reduction of N3Ad by the FeII precursor [(pyrr2py)Fe(OEt2)]. The imide complex is low‐spin with temperature‐independent paramagnetism. In comparison to an authentic FeIII complex, such as [(pyrr2py)FeCl], the pyrr2py2− ligand is virtually redox innocent.
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