Conversion of Fe–NH2 to Fe–N2 with release of NH3
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https://figshare.com/articles/dataset/Conversion_of_Fe_NH_sub_2_sub_to_Fe_N_sub_2_sub_with_release_of_NH_sub_3_sub_/2451769
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Tris(phosphine)borane ligated Fe(I) centers featuring N2H4, NH3, NH2, and OH ligands are described. Conversion of Fe–NH2 to Fe–NH3+ by the addition of acid, and subsequent reductive release of NH3 to generate Fe–N2, is demonstrated. This sequence models the final steps of proposed Fe–mediated nitrogen fixation pathways. The five-coordinate trigonal bipyramidal complexes described are unusual in that they adopt S = 3/2 ground states and are prepared from a four-coordinate, S = 3/2 trigonal pyramidal precursor.
创建时间:
2016-02-20



