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. (2017) A monomeric, heterobimetallic complex with an unsupported Mg−Fe bond. Inorganica Chimica Acta, 458 . pp. 97-100. ISSN 0020-1693

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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
RIS ID: https://nottingham-repository.worktribe.com/output/852073
Keywords: Magnesium; Iron; Metal-metal interactions; N ligands; Density functional calculations
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Chemistry
Identification Number: https://doi.org/10.1016/j.ica.2016.12.029
Depositing User: Bramwell, Roseanna
Date Deposited: 27 Feb 2017 14:47
Last Modified: 04 May 2020 18:38
URI: https://eprints.nottingham.ac.uk/id/eprint/40850

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