B. de Bruin
- A Diolefin Diamide Rhodium(I) Complex and Its One-Electron Oxidation Resulting in a Two-Center, Three-Electron Rh-N Bond
- European Journal of Inorganic Chemistry
- Volume | Issue number
- 2013 | 34
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Van 't Hoff Institute for Molecular Sciences (HIMS)
A tetracoordinated diolefin diamide rhodium(I) complex 6 with the two amido and olefin groups in mutual trans-position and a butterfly structure has been prepared. This anionic complex undergoes a reversible one-electron oxidation at a remarkably negative potential (E-1/2 = -1.22 V vs. Fc/Fc(+)) to give a stable, paramagnetic, tetracoordinated, planar Rh-I complex 7. This complex was fully characterized, and all data indicate that this species is best described with an unprecedented two-center, three-electron Rh-N bond. DFT computations were performed to further elucidate the electronic structure, and the results fully agree with the two-center, three-electron Rh-N bond description.
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