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Organometallic probe for the electronics of base-stabilized group 11 metal cations

journal contribution
posted on 2023-06-08, 21:10 authored by Holger Braunschweig, William C Ewing, Thomas Kramer, James D Mattock, Alfredo VargasAlfredo Vargas, Christine Werner
A number of trimetalloborides have been synthesized through the reactions of base-stabilized coinage metal chlorides with a dimanganaborylene anion in hopes of using this inorganic platform to compare and evaluate the electronics of these popular coinage metal fragments. The adducts of Cu(I), Ag(I) and Au(I) stabilized by triphenylphosphine (PCy3), N-1,3-bis(4-methylphenyl)imidazol-2-ylidene) (ITol) and 1-(2,6-diisopropylphenyl)-3,3,5,5-tetramethylpyrrolidin-2-ylidene) (CAAC) with [(Cp(CO)2Mn)2B]– were studied spectroscopically, structurally and computationally. The geometries of the adducts fell into two classes, on symmetric and one asymmetric, each relying on the combined characteristics of both metal and ligand. The energetic factors proposed as the cause of the structural differences were investigated by ETS-NOCV analysis, which showed the final geometry to be controlled by competition between the tendency of the metal for higher or lower coordination number and the willingness of the cationic fragment to participate in backbonding interactions.

History

Publication status

  • Published

Journal

Chemistry - A European Journal

ISSN

1521-3765

Publisher

Wiley

Issue

35

Volume

21

Page range

12347-12356

Department affiliated with

  • Chemistry Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2015-07-21

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