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Complexes of Iron(II) with silylated pentalene ligands; building blocks for homo- and heterobimetallics

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posted on 2023-06-09, 00:27 authored by Alexander Kilpatrick, David Johnston, Jennifer Green, Nikolaos Tsoureas, Martyn Coles, Geoff Cloke
A range of iron(II) complexes incorporating the silylated pentalene ligands (Pn†H = 1,4-{SiiPr3}2C8H5 and Pn† = 1,4-{SiiPr3}2C8H4) have been investigated as model molecules/building blocks for metallocene-based polymers. Six complexes have been synthesised and extensively characterised by a range of techniques, including by cyclic voltammetry and X-ray diffraction studies. Amongst these compounds are the homobimetallic [Cp*Fe]2(µ-Pn†) which is a fused analogue of biferrocene, and the 3d/4s heterobimetallic [Cp*Fe(?5-Pn†)][K] which forms an organometallic polymer in the solid state. DFT calculations on model mono-Fe(?5-Pn) compounds reveal the charge densities on the uncoordinated carbon atoms of the pentalene ligand, and hence the potential for incorporating these units into heteronuclear bimetallic complexes is assessed.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Polyhedron

ISSN

0277-5387

Publisher

Elsevier

Volume

116

Page range

26-37

Department affiliated with

  • Chemistry Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-03-04

First Open Access (FOA) Date

2017-03-06

First Compliant Deposit (FCD) Date

2016-03-04

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