3 years ago

Frontispiece: Boosting Vis/NIR Charge-Transfer Absorptions of Iron(II) Complexes by N-Alkylation and N-Deprotonation in the Ligand Backbone

Frontispiece: Boosting Vis/NIR Charge-Transfer Absorptions of Iron(II) Complexes by N-Alkylation and N-Deprotonation in the Ligand Backbone
Christian Bissinger, Katja Heinze, Oliver Back, Christoph Förster, Matthias Dorn, Andreas K. C. Mengel
Electron-rich and -poor tridentate ligands with large bite angles give blue iron(II) complexes with low energy MLCT states. The electron-donating power of the electron-rich ligand is further increased by deprotonation in the ligand's backbone, yielding intensely green iron(II) complexes with absorption bands in the near-IR region. According to time-dependent DFT calculations, these bands are of dipole-allowed ligand-to-ligand CT character. Exploiting this low-energy CT state might be a novel strategy towards potentially luminescent iron(II) complexes. For more details, see the Full Paper by K. Heinze et al. on page 7920 ff.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201783364

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