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Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance. / Samsonenko, A. A.; Tolstikov, S. E.; Ovcharenko, V. I. et al.

In: Russian Chemical Bulletin, Vol. 70, No. 12, 12.2021, p. 2370-2374.

Research output: Contribution to journal › Article › peer-review

Harvard

Samsonenko, AA, Tolstikov, SE, Ovcharenko, VI, Fedin, MV & Veber, SL 2021, 'Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance', Russian Chemical Bulletin, vol. 70, no. 12, pp. 2370-2374. https://doi.org/10.1007/s11172-021-3355-4

APA

Samsonenko, A. A., Tolstikov, S. E., Ovcharenko, V. I., Fedin, M. V., & Veber, S. L. (2021). Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance. Russian Chemical Bulletin, 70(12), 2370-2374. https://doi.org/10.1007/s11172-021-3355-4

Vancouver

Samsonenko AA, Tolstikov SE, Ovcharenko VI, Fedin MV, Veber SL. Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance. Russian Chemical Bulletin. 2021 Dec;70(12):2370-2374. doi: 10.1007/s11172-021-3355-4

Author

Samsonenko, A. A. ; Tolstikov, S. E. ; Ovcharenko, V. I. et al. / Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance. In: Russian Chemical Bulletin. 2021 ; Vol. 70, No. 12. pp. 2370-2374.

BibTeX

@article{ee1d51c703264d37b43db341a8893595,
title = "Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance",
abstract = "A heteroatomic analog of 1,1,2,3,3-pentamethylenepropane, the diradical N-[bis(4,4,5,5-tetramethyl-3-oxide-1-oxyl-4,5-dihydro-1H-imidazol-2-yl)methylene]-2-methylpropane-2-amine oxide (1) with two C(sp2)-bonded nitronyl nitroxide fragments in magnetically concentrated (single crystal) and magnetically diluted (frozen solution) forms was studied by EPR spectroscopy. The longitudinal and transverse relaxation times of diradical 1 in the frozen solution were measured for the first time; a significant difference in the intramolecular exchange interaction was demonstrated for the cases of the single crystal and the frozen solution. The influence of solvation on the value of the intramolecular exchange interaction in this class of compounds was discussed.",
keywords = "diradical, EPR spectroscopy, exchange interaction, spin relaxation",
author = "Samsonenko, {A. A.} and Tolstikov, {S. E.} and Ovcharenko, {V. I.} and Fedin, {M. V.} and Veber, {S. L.}",
note = "Funding Information: This work was financially supported by the Russian Science Foundation (Project No. 17-13-01412) in the matter of conducting research by EPR spectroscopy and analysis of the results. S. E. Tolstikov is grateful to the Russian Foundation for Basic Research for supporting synthetic research (Project No. 18-29-04002). Publisher Copyright: {\textcopyright} 2021, Springer Science+Business Media LLC.",
year = "2021",
month = dec,
doi = "10.1007/s11172-021-3355-4",
language = "English",
volume = "70",
pages = "2370--2374",
journal = "Russian Chemical Bulletin",
issn = "1066-5285",
publisher = "Springer Nature",
number = "12",

}

RIS

TY - JOUR

T1 - Investigation of a C(sp2)-coupled nitronyl nitroxide diradical by electron paramagnetic resonance

AU - Samsonenko, A. A.

AU - Tolstikov, S. E.

AU - Ovcharenko, V. I.

AU - Fedin, M. V.

AU - Veber, S. L.

N1 - Funding Information: This work was financially supported by the Russian Science Foundation (Project No. 17-13-01412) in the matter of conducting research by EPR spectroscopy and analysis of the results. S. E. Tolstikov is grateful to the Russian Foundation for Basic Research for supporting synthetic research (Project No. 18-29-04002). Publisher Copyright: © 2021, Springer Science+Business Media LLC.

PY - 2021/12

Y1 - 2021/12

N2 - A heteroatomic analog of 1,1,2,3,3-pentamethylenepropane, the diradical N-[bis(4,4,5,5-tetramethyl-3-oxide-1-oxyl-4,5-dihydro-1H-imidazol-2-yl)methylene]-2-methylpropane-2-amine oxide (1) with two C(sp2)-bonded nitronyl nitroxide fragments in magnetically concentrated (single crystal) and magnetically diluted (frozen solution) forms was studied by EPR spectroscopy. The longitudinal and transverse relaxation times of diradical 1 in the frozen solution were measured for the first time; a significant difference in the intramolecular exchange interaction was demonstrated for the cases of the single crystal and the frozen solution. The influence of solvation on the value of the intramolecular exchange interaction in this class of compounds was discussed.

AB - A heteroatomic analog of 1,1,2,3,3-pentamethylenepropane, the diradical N-[bis(4,4,5,5-tetramethyl-3-oxide-1-oxyl-4,5-dihydro-1H-imidazol-2-yl)methylene]-2-methylpropane-2-amine oxide (1) with two C(sp2)-bonded nitronyl nitroxide fragments in magnetically concentrated (single crystal) and magnetically diluted (frozen solution) forms was studied by EPR spectroscopy. The longitudinal and transverse relaxation times of diradical 1 in the frozen solution were measured for the first time; a significant difference in the intramolecular exchange interaction was demonstrated for the cases of the single crystal and the frozen solution. The influence of solvation on the value of the intramolecular exchange interaction in this class of compounds was discussed.

KW - diradical

KW - EPR spectroscopy

KW - exchange interaction

KW - spin relaxation

UR - http://www.scopus.com/inward/record.url?scp=85123535084&partnerID=8YFLogxK

U2 - 10.1007/s11172-021-3355-4

DO - 10.1007/s11172-021-3355-4

M3 - Article

AN - SCOPUS:85123535084

VL - 70

SP - 2370

EP - 2374

JO - Russian Chemical Bulletin

JF - Russian Chemical Bulletin

SN - 1066-5285

IS - 12

ER -

ID: 35384821