Issue 9, 2019

Structural diversity in a homologous series of donor free alkali metal complexes bearing a sterically demanding triazenide

Abstract

The reactivity of the sterically demanding triazene Dmp–N[double bond, length as m-dash]N–N(H)–Dmp (Dmp2N3H, Dmp = 2,6-bis(2,4,6-trimethylphenyl)phenyl) with alkali metal bases and elemental heavy alkali metals has been examined. All reactions afforded the respective alkali metal triazenide complex. The solid-state molecular structures of these complexes display κ2-N,N′-chelation of the triazenide by the metal. The coordination sphere of each metal center is further furnished by M⋯π-arene interactions to the pendant mesityl groups of the triazenide, which enables each complex to exist as a mononuclear species with complexes of the heavier alkali metals display weak aggregation in solid-state. A heteroleptic dilithium complex, featuring μ–κ1-N,N′-bridging of the triazenide by the two lithium centers, was also characterized.

Graphical abstract: Structural diversity in a homologous series of donor free alkali metal complexes bearing a sterically demanding triazenide

Supplementary files

Article information

Article type
Paper
Submitted
18 Dec 2018
Accepted
28 Jan 2019
First published
06 Feb 2019

Dalton Trans., 2019,48, 2948-2952

Structural diversity in a homologous series of donor free alkali metal complexes bearing a sterically demanding triazenide

A. I. McKay and M. L. Cole, Dalton Trans., 2019, 48, 2948 DOI: 10.1039/C8DT04983A

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