[Fe(η2-N2H3)]+ 物种到 π 离域 [Fe2(μ-N2H2)](2+/+) 配合物的转化。
Transformation of an [Fe(η2-N2H3)]+ species to π-delocalized [Fe2(μ-N2H2)](2+/+) complexes.
机构信息
Department of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, USA.
出版信息
Angew Chem Int Ed Engl. 2011 Apr 4;50(15):3446-9. doi: 10.1002/anie.201006299. Epub 2011 Mar 10.
Abstract
A monomeric iron Fe(η-NH) species has been prepared, and exposure to oxygen yields a diiron complex that features five-coordinate iron centers and an activated bridging diazene ligand (NH=NH). Combined structural, theoretical, and spectroscopic data for the redox pair of complexes [Fe(μ-NH)] are consistent with 4-center, 4-electron π-delocalized bonding picture across the Fe-NH-NH-Fe core that finds analogy in butadiene and the butadiene anion.
摘要
已制备出一种单核铁 Fe(η-NH) 物种，暴露于氧气中会生成一种二铁配合物，其具有五配位铁中心和活化的桥连二氮烯配体（NH=NH）。配合物 [Fe(μ-NH)] 的氧化还原对的结构、理论和光谱数据一致，表明在 Fe-NH-NH-Fe 核中存在 4 中心 4 电子 π 离域键，这与丁二烯和丁二烯阴离子类似。
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