Hydride attack at a ferric heme–NO to give an Fe–HNO intermediate is a key step in the global N--‐cycle. We demonstrate differential reactivity when six--‐ and five--‐coordinate ferric heme--‐NO models react with hydride. Although Fe–HNO formation is thermodynamically favored from this reaction, Fe–H formation is kinetically favored for the 5C case.
Abucayon, E G.; Khade, R L.; Powell, D R.; Shaw, Michael J.; Yang, Y; and Richter-Addo, G B., "Over or Under: Hydride Attack at the Metal versus the Coordinated Nitrosyl Ligand in Ferric Nitrosyl Porphyrins." (2016). SIUE Faculty Research, Scholarship, and Creative Activity. 53.
Available for download on Thursday, December 07, 2017