Volume 89 Issue 9 | pp. 48-49 | Concentrates
Issue Date: February 28, 2011

Iron(V) Nitride Mimics Nitrogenase Activity

Chemists have isolated a rare Fe≡N complex and show that it readily produces ammonia
Department: Science & Technology
Keywords: nitrogen fixation, nitrogenase, iron complex, iron(V), biomimetic

An international research team has isolated an iron(V) nitride (Fe≡N) complex that readily produces ammonia, mimicking 
one of the steps nitrogenase enzymes may use to reduce N2 to NH3 (Science, DOI: 10.1126/­science.1198315). Chemists are on the lookout for high-oxidation-state iron complexes with metal-ligand multiple bonds as models to study nitrogenase and other enzyme catalytic cycles with the goal of developing efficient industrial catalysts. In these cycles, iron shifts into different oxidation states to . . .

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