A monomeric, heterobimetallic complex with an unsupported Mg–Fe bond

Birchall, Christopher, Moxey, Graeme J., McMaster, Jonathan, Blake, Alexander J., Lewis, William and Kays, Deborah L. ORCID: https://orcid.org/0000-0002-4616-6001 2017. A monomeric, heterobimetallic complex with an unsupported Mg–Fe bond. Inorganica Chimica Acta 458 , pp. 97-100. 10.1016/j.ica.2016.12.029

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Abstract

The phosphinimine, trimethylsilyl-substituted BIPM ligand [BIPM = bis(iminophosphorano)methanide] has been used to stabilise CH(Ph2PNSiMe3)2MgFe(η5-C5H5)(CO)2 (1), which is a structurally authenticated complex exhibiting a direct, unsupported bond between an alkaline earth metal and a transition metal. The FTIR-measured carbonyl stretching frequencies for this complex suggest that there is a polarisation of charge from the transition metal fragment to the magnesium centre. The presence of a polar metal-metal bond in 1 is confirmed by DFT calculations, which suggest that the Mg–Fe bond is predominantly ionic in nature.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Publisher:	Elsevier
ISSN:	0020-1693
Date of Acceptance:	16 December 2016
Last Modified:	12 Jul 2024 13:45
URI:	https://orca.cardiff.ac.uk/id/eprint/170283

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