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  Homoleptic Two‐Coordinate Silylamido Complexes of Chromium(I), Manganese(I), and Cobalt(I)

Werncke, G., Suturina, E. A., Bunting, P. C., Vendier, L., Long, J. R., Atanasov, M., et al. (2016). Homoleptic Two‐Coordinate Silylamido Complexes of Chromium(I), Manganese(I), and Cobalt(I). Chemistry – A European Journal, 22(5), 1668-1674. doi:10.1002/chem.201503980.

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 Creators:
Werncke, Gunnar1, Author
Suturina, Elizaveta A.2, Author              
Bunting, Philip C.3, Author
Vendier, Laure1, Author
Long, Jeffrey R.3, Author
Atanasov, Mihail2, 4, Author              
Neese, Frank2, Author              
Sabo‐Etienne, Sylviane1, Author
Bontemps, Sébastien1, Author
Affiliations:
1CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, 31077 Toulouse (France) and Université de Toulouse, UPS, INPT, 31077 Toulouse, France, ou_persistent22              
2Research Department Neese, Max Planck Institute for Chemical Energy Conversion, Max Planck Society, ou_3023886              
3Department of Chemistry, University of California, Berkeley, Berkeley, California, 94720 USA, ou_persistent22              
4Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria, ou_persistent22              

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Free keywords: ab initio calculations; magnetic properties; N ligands; transition metals; coordination modes
 Abstract: Anionic two‐coordinate complexes of first‐row transition‐metal(I) centres are rare molecules that are expected to reveal new magnetic properties and reactivity. Recently, we demonstrated that a N(SiMe3)2 ligand set, which is unable to prevent dimerisation or extraneous ligand coordination at the +2 oxidation state of iron, was nonetheless able to stabilise anionic two‐coordinate FeI complexes even in the presence of a Lewis base. We now report analogous CrI and CoI complexes with exclusively this amido ligand and the isolation of a [MnI{N(SiMe3)2}2]22− dimer that features a Mn−Mn bond. Additionally, by increasing the steric hindrance of the ligand set, the two‐coordinate complex [MnI{N(Dipp)(SiMe)}2] was isolated (Dipp=2,6‐iPr2‐C6H3). Characterisation of these compounds by using X‐ray crystallography, NMR spectroscopy, and magnetic susceptibility measurements is provided along with ligand‐field analysis based on CASSCF/NEVPT2 ab initio calculations.

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Language(s): eng - English
 Dates: 2015-12-182016-01-26
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/chem.201503980
 Degree: -

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Title: Chemistry – A European Journal
  Other : Chem. – Eur. J.
  Other : Chem. Eur. J.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 22 (5) Sequence Number: - Start / End Page: 1668 - 1674 Identifier: ISSN: 0947-6539
CoNE: https://pure.mpg.de/cone/journals/resource/954926979058