Issue 75, 2020

Bimetallic iron–tin catalyst for N2 to NH3 and a silyldiazenido model intermediate

Abstract

A tin-supported iron catalyst produces 5.9 turnovers of NH3 from N2, using [Ph2NH2]OTf as the acid and CoCp2* as the reductant. Two redox states of the Fe(N2) adduct and an Fe silyldiazenido complex were characterized using X-ray crystallography along with NMR and Mössbauer spectroscopies. Density functional theory calculations reveal that the charge on the Sn center correlates strongly with both the polarization of the N2 moiety and the charge on the distal N atom.

Graphical abstract: Bimetallic iron–tin catalyst for N2 to NH3 and a silyldiazenido model intermediate

Supplementary files

Article information

Article type
Communication
Submitted
02 júl 2020
Accepted
04 aug 2020
First published
04 aug 2020

Chem. Commun., 2020,56, 11030-11033

Author version available

Bimetallic iron–tin catalyst for N2 to NH3 and a silyldiazenido model intermediate

M. J. Dorantes, J. T. Moore, E. Bill, B. Mienert and C. C. Lu, Chem. Commun., 2020, 56, 11030 DOI: 10.1039/D0CC04563B

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