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RESEARCH PRODUCT
Rhenium(I) and platinum(II) complexes with diimine ligands bearing acidic phenol substituents: hydrogen-bonding, acid-base chemistry and optical properties.
Wei LiuKatja Heinzesubject
Spectrophotometry InfraredMolecular Conformationchemistry.chemical_elementPhotochemistryCrystallography X-RayLigandsRedoxlaw.inventionInorganic ChemistryDeprotonationlawCoordination ComplexesPolymer chemistryElectron paramagnetic resonanceDiiminePlatinumPhenolHydrogen bondHydrogen BondingRheniumRheniumchemistryQuantum TheorySpectrophotometry UltravioletIminesCyclic voltammetryPlatinumdescription
Tricarbonylchloro-rhenium(i) (1-4) and catecholato-platinum(ii) complexes (6, 7) of diimine ligands bearing phenol and O-protected phenol substituents have been prepared and fully characterised including single crystal structure analyses of 1, 4 and 7. The redox behaviour of the catecholato platinum(ii) complexes 6 and 7 has been probed by cyclic voltammetry, preparative oxidation and EPR spectroscopy (6˙(+), 7˙(+)). Reversible deprotonation of the hydroxy substituted complexes 1, 3 and 6 to 1(-), 3(-) and 6(-) resulted in significant changes in their electronic spectra. The luminescence properties of the diamagnetic complexes have been investigated using emission spectroscopy. DFT and TD-DFT calculations were invoked to shed some light onto the geometric and electronic structures as well as the experimental spectroscopic properties of the neutral complexes 1-7, the radical cations 6˙(+) and 7˙(+) and the conjugate bases 1(-), 3(-) and 6(-).
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2010-09-08 | Dalton transactions (Cambridge, England : 2003) |