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The powder X-band electron paramagnetic resonance spectroscopy of septet pyridyl-2,4,6-trinitreneстатья
- Авторы: Chapyshev Sergei V., Korchagin Denis V., Costa Paulo, Sander Wolfram
- Журнал: Magnetic Resonance in Chemistry
- Год издания: 2022
- Издательство: John Wiley & Sons Inc.
- Местоположение издательства: United States
- DOI: 10.1002/mrc.5269
- Аннотация: The first X-band EPR spectrum containing only non-overlapping signals of septet pyridyl-2,4,6-trinitrene and triplet pyridylnitrenes is reported. This spectrum was recorded after photolysis of 2,4,6-triazidopyridine in solid argon at 5 K. The zero-field splitting (ZFS) parameters of this trinitrene as well as of intermediate triplet mononitrenes and quintet dinitrenes formed at early stages of the photolysis were determined using the combination of modern computer line-shape spectral simulations and density functional theory (DFT) calculations. It was found that septet pyridyl-2,4,6-trinitrene has the record negative parameter DS = −0.1031 cm−1 among all known to date septet pyridyl-2,4,6-trinitrenes and may be of interest as a model multi-qubit spin system for investigations of quantum computation processing.
- Добавил в систему: Алдошин Сергей Михайлович