Premium
Frontispiece: Boosting Vis/NIR Charge‐Transfer Absorptions of Iron(II) Complexes by N‐Alkylation and N‐Deprotonation in the Ligand Backbone
Author(s) -
Mengel Andreas K. C.,
Bissinger Christian,
Dorn Matthias,
Back Oliver,
Förster Christoph,
Heinze Katja
Publication year - 2017
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201783364
Subject(s) - deprotonation , ligand (biochemistry) , chemistry , photochemistry , crystallography , organic chemistry , ion , biochemistry , receptor
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.