Uranium(III)-Carbon Multiple Bonding Supported by Arene δ-Bonding in Mixed-Valence Hexauranium Nanometre-Scale RingsCitation formats

  • External authors:
  • Ashley Wooles
  • Gareth Law
  • Adam Fuller
  • Felipe Kremer
  • Mark Ridgway
  • William Lewis
  • Laura Gagliardi
  • Bess Vlaisavljevich

Standard

Uranium(III)-Carbon Multiple Bonding Supported by Arene δ-Bonding in Mixed-Valence Hexauranium Nanometre-Scale Rings. / Wooles, Ashley; Mills, David; Tuna, Floriana; Mcinnes, Eric; Law, Gareth; Fuller, Adam; Kremer, Felipe; Ridgway, Mark; Lewis, William; Gagliardi, Laura; Vlaisavljevich, Bess; Liddle, Stephen.

In: Nature Communications, Vol. 9, 2097, 2018.

Research output: Contribution to journalArticle

Harvard

Wooles, A, Mills, D, Tuna, F, Mcinnes, E, Law, G, Fuller, A, Kremer, F, Ridgway, M, Lewis, W, Gagliardi, L, Vlaisavljevich, B & Liddle, S 2018, 'Uranium(III)-Carbon Multiple Bonding Supported by Arene δ-Bonding in Mixed-Valence Hexauranium Nanometre-Scale Rings', Nature Communications, vol. 9, 2097. https://doi.org/10.1038/s41467-018-04560-7

APA

Vancouver

Author

Wooles, Ashley ; Mills, David ; Tuna, Floriana ; Mcinnes, Eric ; Law, Gareth ; Fuller, Adam ; Kremer, Felipe ; Ridgway, Mark ; Lewis, William ; Gagliardi, Laura ; Vlaisavljevich, Bess ; Liddle, Stephen. / Uranium(III)-Carbon Multiple Bonding Supported by Arene δ-Bonding in Mixed-Valence Hexauranium Nanometre-Scale Rings. In: Nature Communications. 2018 ; Vol. 9.

Bibtex

@article{f5b8d867f5954c258d6a43de445ee37c,
title = "Uranium(III)-Carbon Multiple Bonding Supported by Arene δ-Bonding in Mixed-Valence Hexauranium Nanometre-Scale Rings",
abstract = "Despite the fact that non-aqueous uranium chemistry is over 60 years old, most polarised-covalent uranium-element multiple bonds involve formal uranium oxidation states IV, V, and VI. The paucity of uranium(III) congeners is because, in common with metal-ligand multiple bonding generally, such linkages involve strongly donating, charge-loaded ligands that bind best to electron-poor metals and inherently promote disproportionation of uranium(III). Here, we report the synthesis of hexauranium-methanediide nanometre-scale rings. Combined experimental and computational studies suggest overall the presence of formal uranium(III) and (IV) ions, though electron delocalisation in this Kramers system cannot be definitively ruled out, and the resulting polarised-covalent U = C bonds are supported by iodide and δ-bonded arene bridges. The arenes provide reservoirs that accommodate charge, thus avoiding inter-electronic repulsion that would destabilise these low oxidation state metal-ligand multiple bonds. Using arenes as electronic buffers could constitute a general synthetic strategy by which to stabilise otherwise inherently unstable metal-ligand linkages.",
author = "Ashley Wooles and David Mills and Floriana Tuna and Eric Mcinnes and Gareth Law and Adam Fuller and Felipe Kremer and Mark Ridgway and William Lewis and Laura Gagliardi and Bess Vlaisavljevich and Stephen Liddle",
year = "2018",
doi = "10.1038/s41467-018-04560-7",
language = "English",
volume = "9",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Springer Nature",

}

RIS

TY - JOUR

T1 - Uranium(III)-Carbon Multiple Bonding Supported by Arene δ-Bonding in Mixed-Valence Hexauranium Nanometre-Scale Rings

AU - Wooles, Ashley

AU - Mills, David

AU - Tuna, Floriana

AU - Mcinnes, Eric

AU - Law, Gareth

AU - Fuller, Adam

AU - Kremer, Felipe

AU - Ridgway, Mark

AU - Lewis, William

AU - Gagliardi, Laura

AU - Vlaisavljevich, Bess

AU - Liddle, Stephen

PY - 2018

Y1 - 2018

N2 - Despite the fact that non-aqueous uranium chemistry is over 60 years old, most polarised-covalent uranium-element multiple bonds involve formal uranium oxidation states IV, V, and VI. The paucity of uranium(III) congeners is because, in common with metal-ligand multiple bonding generally, such linkages involve strongly donating, charge-loaded ligands that bind best to electron-poor metals and inherently promote disproportionation of uranium(III). Here, we report the synthesis of hexauranium-methanediide nanometre-scale rings. Combined experimental and computational studies suggest overall the presence of formal uranium(III) and (IV) ions, though electron delocalisation in this Kramers system cannot be definitively ruled out, and the resulting polarised-covalent U = C bonds are supported by iodide and δ-bonded arene bridges. The arenes provide reservoirs that accommodate charge, thus avoiding inter-electronic repulsion that would destabilise these low oxidation state metal-ligand multiple bonds. Using arenes as electronic buffers could constitute a general synthetic strategy by which to stabilise otherwise inherently unstable metal-ligand linkages.

AB - Despite the fact that non-aqueous uranium chemistry is over 60 years old, most polarised-covalent uranium-element multiple bonds involve formal uranium oxidation states IV, V, and VI. The paucity of uranium(III) congeners is because, in common with metal-ligand multiple bonding generally, such linkages involve strongly donating, charge-loaded ligands that bind best to electron-poor metals and inherently promote disproportionation of uranium(III). Here, we report the synthesis of hexauranium-methanediide nanometre-scale rings. Combined experimental and computational studies suggest overall the presence of formal uranium(III) and (IV) ions, though electron delocalisation in this Kramers system cannot be definitively ruled out, and the resulting polarised-covalent U = C bonds are supported by iodide and δ-bonded arene bridges. The arenes provide reservoirs that accommodate charge, thus avoiding inter-electronic repulsion that would destabilise these low oxidation state metal-ligand multiple bonds. Using arenes as electronic buffers could constitute a general synthetic strategy by which to stabilise otherwise inherently unstable metal-ligand linkages.

U2 - 10.1038/s41467-018-04560-7

DO - 10.1038/s41467-018-04560-7

M3 - Article

VL - 9

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

M1 - 2097

ER -