Leirer, Markus and Knoer, Guenther and Vogler, Arnd (1999) Synthesis and spectroscopic properties of 1,2-diiminetricarbonylrhenium(I)chloride complexes with aliphatic diimines (or 1,4-diaza-1,3-butadienes) as ligands. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 54 (3). pp. 341-344. ISSN 0932-0776,
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Re(1,2-diimine)(CO)(3)Cl complexes with the aliphatic bidentate ligands diiminosuccino-dinitrile (DISN), benzilbisanile (BEAN), bisacetylbisanile (BABA), and benzildiimine (BEDIM) are reported. The compounds show Re(I) to pi*(diimine) metal-to-ligand charge transfer ((MLCT) absorptions in the visible spectral region. The energy of these MLCT-transitions decreases in the series BABA > BEDIM > BEAN > DISN, depending on the pi* acceptor properties of the coordinated diimine ligands. The maxima of these CT bands undergo a solvent-dependent shift (negative solvatochromism), which indicates a partial charge redistribution in the excited state. The compounds are not photoluminescent at room temperature and 77 K.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | EXCITED-STATES; PHOTOCHEMISTRY; TRANSITION; CHEMISTRY; METAL; charge transfer; rhenium complexes; 1,4-diaza-1,3-butadienes; solvatochromism |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Arnd Vogler |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 15 Nov 2022 15:25 |
| Last Modified: | 15 Nov 2022 15:25 |
| URI: | https://pred.uni-regensburg.de/id/eprint/48508 |
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