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Inorg Chem. 2011 Nov 21;50(22):11285-7. doi: 10.1021/ic2016066. Epub 2011 Oct 17.

A five-coordinate phosphino/acetate iron(II) scaffold that binds N2, N2H2, N2H4, and NH3 in the sixth site.

Author information

1
Department of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States.

Abstract

A family of iron(II) complexes that coordinate dinitrogen, diazene, hydrazine, and ammonia are presented. This series of complexes is unusual in that the complexes within it feature a common auxiliary ligand set and differ only by virtue of the nitrogenous N(x)H(y) ligand that occupies the sixth binding site. The ability of an iron center to bind N(2), N(2)H(2), N(2)H(4), and NH(3) is important to establish in the context of evaluating catalytic N(2) reduction schemes that invoke these nitrogenous species. Such a scenario has been proposed as an iron-mediated, alternating reduction scheme within the cofactor of nitrogenase enzymes.

PMID:
22004139
PMCID:
PMC3215824
DOI:
10.1021/ic2016066
[Indexed for MEDLINE]
Free PMC Article

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