Reductive electrocrystallization at a constant current density (1 1 .0-11.5 pA/cm2) of millimolar solutions of [ M ( ~~Y ) , ] ( P F ~) ~, where M = Fe, Ru, or Os, and bpy = 2,T-bipyridine in acetonitrile containing 0 . 1 ~ Bu4NPF, results in the formation of dark crystals on the Pt cathode. The cry
The electronic structure of the metal-to-ligand charge-transfer states of M(bpy)2+3 (M = Fe, Ru, Os)
✍ Scribed by James Ferguson; Fritz Herren
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 363 KB
- Volume
- 89
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
New spectroscopic absorption and luminescence data for the ions M(bpy)~ + @I = Fe, Ru, Os) provide the basis for a theoretical model of the electronic structure of these ions. An important aspect of the model is the essential localization of the triplet states, in contrast to the singlet states which are delocalized. The model accounts very well for the new and existing spectroscopic data.
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Picosecond resonance Raman has been employed in a two-color pump/probe experiment to re-evaluate the assignments of metal to ligand charge transfer ground and excited state bands in tris-2,2'-bipyridine Ru(II). It is shown that there is no spectral overlap between ground and excited state bands and
## Abstract The __trans‐cis__ isomerization of the styrylpyridine carbon–carbon double bond induced by visible light irradiation in __fac__‐[Re(CO)~3~(bpy)(stpy)]^+^ (bp__y__ = 2,2′‐bipyridine; stpy = __t__‐4‐styrylpyridine) has been investigated by means of quantum‐chemical methods. The structures
## Abstract The five‐coordinate mononuclear complexes [M(CO)~3~(**1**)] (M = Fe, Ru; (**1**) = 2,11‐bis(diphenylphosphinomethyl)benzo[c]phenanthrene) have been prepared and assigned trigonal bipyramidal structures with apical phosphorus atoms from IR. and NMR. data.