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Issue 31, 2018
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Dinitrogen photoactivation: status quo and future perspectives

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Abstract

While the thermal activation of the dinitrogen molecule has been demonstrated in numerous examples with a variety of transition metals and ligand frameworks, the use of light to induce a weakening or splitting of the strong N–N bond is less well explored. Six complexes that bind N2 in a linear μ–η11-end-on fashion between two transition metals are known to cleave dinitrogen after absorbing a photon and relaxing from an electronically excited state. This Perspective article reviews the molecular complexes known to be capable of dinitrogen photocleavage, and discusses mechanistic insights into the photoactivation process gained from experimental and computational studies. In an extension of previous hypotheses for pathways to dinitrogen photoactivation that would facilitate easy protonation of the μ-N atoms, a scheme is presented that may help to identify other complexes that could be capable of dinitrogen photoactivation.

Graphical abstract: Dinitrogen photoactivation: status quo and future perspectives

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Article information


Submitted
01 Feb 2018
Accepted
19 Apr 2018
First published
03 May 2018

This article is Open Access

Dalton Trans., 2018,47, 10320-10329
Article type
Perspective

Dinitrogen photoactivation: status quo and future perspectives

V. Krewald, Dalton Trans., 2018, 47, 10320
DOI: 10.1039/C8DT00418H

This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. Material from this article can be used in other publications provided that the correct acknowledgement is given with the reproduced material and it is not used for commercial purposes.

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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