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ABSTRACT:
SUBMITTER: Richert S
PROVIDER: S-EPMC5417593 | biostudies-literature | 2017 Apr
REPOSITORIES: biostudies-literature
Richert Sabine S Bullard George G Rawson Jeff J Angiolillo Paul J PJ Therien Michael J MJ Timmel Christiane R CR
Journal of the American Chemical Society 20170404 15
The influence of electronic symmetry on triplet state delocalization in linear zinc porphyrin oligomers is explored by electron paramagnetic resonance techniques. Using a combination of transient continuous wave and pulse electron nuclear double resonance spectroscopies, it is demonstrated experimentally that complete triplet state delocalization requires the chemical equivalence of all porphyrin units. These results are supported by density functional theory calculations, showing uneven delocal ...[more]