from the axial C-Oo bond to the LUMO of the system offsets to some degree the steric advantages enjoyed by its equatorial C-0 counterpart. Whatever the actual underlying cause(s) in these acyclic examples, related studies have shown that the steric demand of the oxido-group can gain considerably gr
✦ LIBER ✦
Electronic structure of the π-dianions and π-dications of porphyrins
✍ Scribed by V. A. Kuz'mitskii; G. T. Klimko
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 1992
- Tongue
- English
- Weight
- 688 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0022-4766
No coin nor oath required. For personal study only.
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## Abstract **π–π assisted**: Photoinduced electron transfer from cofacial porphyrin dimers to electron acceptors is prominently accelerated, whereas the back electron transfer is decelerated, relative to the corresponding porphyrin monomer (see figure).magnified image The radical cation of zinc t