Bimetallic iron-tin catalyst for N2to NH3and a silyldiazenido model intermediate

Michael J. Dorantes; James T. Moore; Eckhard Bill; Bernd Mienert; Connie C. Lu

doi:10.1039/d0cc04563b

Bimetallic iron-tin catalyst for N₂to NH₃and a silyldiazenido model intermediate

Michael J. Dorantes, James T. Moore, Eckhard Bill, Bernd Mienert, Connie C. Lu

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

A tin-supported iron catalyst produces 5.9 turnovers of NH₃from 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 N₂moiety and the charge on the distal N atom.

Original language	English (US)
Pages (from-to)	11030-11033
Number of pages	4
Journal	Chemical Communications
Volume	56
Issue number	75
DOIs	https://doi.org/10.1039/d0cc04563b
State	Published - Sep 25 2020

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Publisher Copyright:
© The Royal Society of Chemistry 2020.

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AU - Lu, Connie C.

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AB - A tin-supported iron catalyst produces 5.9 turnovers of NH3from 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 N2moiety and the charge on the distal N atom.

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