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- W4284890507 abstract "Carbenes, including N-heterocyclic carbene (NHC) ligands, are used extensively to stabilize open-shell transition metal complexes and organic radicals. Yet, it remains unknown, which carbene stabilizes a radical well and, thus, how to design radical-stabilizing C-donor ligands. With the large variety of C-donor ligands experimentally investigated and their electronic properties established, we report herein their radical-stabilizing effect. We show that radical stabilization can be understood by a captodative frontier orbital description involving π-donation to- and π-donation from the carbenes. This picture sheds a new perspective on NHC chemistry, where π-donor effects usually are assumed to be negligible. Further, it allows for the intuitive prediction of the thermodynamic stability of covalent radicals of main group- and transition metal carbene complexes, and the quantification of redox non-innocence." @default.
- W4284890507 created "2022-07-09" @default.
- W4284890507 creator A5003935031 @default.
- W4284890507 creator A5020271560 @default.
- W4284890507 creator A5059734226 @default.
- W4284890507 creator A5075139712 @default.
- W4284890507 date "2022-08-04" @default.
- W4284890507 modified "2023-10-03" @default.
- W4284890507 title "Gauging Radical Stabilization with Carbenes" @default.
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