Issue 24, 2022
From the journal:

Dalton Transactions

Mixed valency in a neutral 1D Fe-chloranilate coordination polymer†

Katelyn M. Clutterbuck, ORCID logo a   Brendan F. Abrahams, ORCID logo *a   Timothy A. Hudsona  and  Martin P. van Koeverden ORCID logo ‡a  

* Corresponding authors

a School of Chemistry, University of Melbourne, Parkville, Victoria 3010, Australia
E-mail: bfa@unimelb.edu.au

Abstract

The syntheses and structures of a pair of neutral one-dimensional (1D) Fe-anilate based coordination polymers, Fe(Fan)(4,4′-bipy)2 (Fann− = deprotonated 3,6-difluoro-2,5-dihydroxy-1,4-benzoquinone; 4,4′-bipy = 4,4′-bipyridine) and Fe(Clan)(OPPh3)2 (Clann− = deprotonated 3,6-dichloro-2,5-dihydroxy-1,4-benzoquinone; OPPh3 = triphenylphosphine oxide), are reported. In the case of Fe(Fan)(4,4′-bipy)2, the Fe centre is in the +2 oxidation state and the Fan ligand is present in its quinoidal, dianionic form. In contrast, the structurally similar Fe(Clan)(OPPh3)2 chain contains Fe centres and chloranilate ligands in oxidation states close to +3 and −3 respectively at low temperature. It is suggested that intrachain π–π interactions aid electron transfer from the Fe centres to the bridging ligands.

Graphical abstract: Mixed valency in a neutral 1D Fe-chloranilate coordination polymer

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Article information

DOI
https://doi.org/10.1039/D1DT04368D
Article type
Communication
Submitted
29 Dec 2021
Accepted
30 May 2022
First published
07 Jun 2022

Dalton Trans., 2022,51, 9199-9205

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Mixed valency in a neutral 1D Fe-chloranilate coordination polymer

K. M. Clutterbuck, B. F. Abrahams, T. A. Hudson and M. P. van Koeverden, Dalton Trans., 2022, 51, 9199 DOI: 10.1039/D1DT04368D

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