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(Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes. / Haraguchi, Makoto; Tretyakov, Evgeny; Gritsan, Nina et al.

In: Chemistry - An Asian Journal, Vol. 12, No. 22, 16.11.2017, p. 2929-2941.

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

Harvard

Haraguchi, M, Tretyakov, E, Gritsan, N, Romanenko, G, Gorbunov, D, Bogomyakov, A, Maryunina, K, Suzuki, S, Kozaki, M, Shiomi, D, Sato, K, Takui, T, Nishihara, S, Inoue, K & Okada, K 2017, '(Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes', Chemistry - An Asian Journal, vol. 12, no. 22, pp. 2929-2941. https://doi.org/10.1002/asia.201701085

APA

Haraguchi, M., Tretyakov, E., Gritsan, N., Romanenko, G., Gorbunov, D., Bogomyakov, A., Maryunina, K., Suzuki, S., Kozaki, M., Shiomi, D., Sato, K., Takui, T., Nishihara, S., Inoue, K., & Okada, K. (2017). (Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes. Chemistry - An Asian Journal, 12(22), 2929-2941. https://doi.org/10.1002/asia.201701085

Vancouver

Haraguchi M, Tretyakov E, Gritsan N, Romanenko G, Gorbunov D, Bogomyakov A et al. (Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes. Chemistry - An Asian Journal. 2017 Nov 16;12(22):2929-2941. doi: 10.1002/asia.201701085

Author

Haraguchi, Makoto ; Tretyakov, Evgeny ; Gritsan, Nina et al. / (Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes. In: Chemistry - An Asian Journal. 2017 ; Vol. 12, No. 22. pp. 2929-2941.

BibTeX

@article{71e57ff12a5041b9ad0f897ea68a2767,
title = "(Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes",
abstract = "In contrast to diradicals connected by alternant hydrocarbons, only a few studies on those connected by nonalternant hydrocarbons have been reported. The syntheses, structures, and magnetic properties of azulene-1,3-diyl linked bis(nitronyl nitroxide) (NN2Az) and bis(iminonitroxide) (IN2Az) diradicals and their Cu(hfac)2 (hfac=hexafluoroacetylacetonate) complexes were investigated. NN2Az was shown to have an intramolecular ferromagnetic interaction with Jobs/kB=+10.0 K (H=−2JS1⋅S2) between (nitronyl nitroxide) spins, whereas IN2Az was estimated to have a much weaker intramolecular magnetic interaction. The reactions of NN2Az and IN2Az with Cu(hfac)2 gave a 1:2 [{Cu(hfac)2}2(NN2Az)] complex and a 1:1 [Cu(hfac)2(IN2Az)]⋅C6H12 complex, respectively. [{Cu(hfac)2}2(NN2Az)] showed strong intramolecular antiferromagnetic interactions (J1-Cu-R/kB≈−800 K, J2-Cu-R/kB≈−500 K) between the CuII spins and the coordinating NN spins, whereas [Cu(hfac)2(IN2Az)] exhibited a ferromagnetic exchange interaction (Jobs-Cu-R/kB=+114 K) between the CuII spin and the imino-coordinated iminonitroxide spin.",
keywords = "azulenes, copper, nonalternant hydrocarbons, quantum chemistry, radicals, EXCHANGE INTERACTIONS, AB-INITIO, CORRELATION-ENERGY, PYRAZOLYL-SUBSTITUTED NITRONYL, PERTURBATION-THEORY, DIRADICALS, MAGNETIC-PROPERTIES, IMINO NITROXIDES, METAL-COMPLEXES, ELECTRON-DENSITY",
author = "Makoto Haraguchi and Evgeny Tretyakov and Nina Gritsan and Galina Romanenko and Dmitry Gorbunov and Artem Bogomyakov and Kseniya Maryunina and Shuichi Suzuki and Masatoshi Kozaki and Daisuke Shiomi and Kazunobu Sato and Takeji Takui and Sadafumi Nishihara and Katsuya Inoue and Keiji Okada",
note = "Publisher Copyright: {\textcopyright} 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",
year = "2017",
month = nov,
day = "16",
doi = "10.1002/asia.201701085",
language = "English",
volume = "12",
pages = "2929--2941",
journal = "Chemistry - An Asian Journal",
issn = "1861-4728",
publisher = "John Wiley and Sons Ltd",
number = "22",

}

RIS

TY - JOUR

T1 - (Azulene-1,3-diyl)-bis(nitronyl nitroxide) and (Azulene-1,3-diyl)-bis(iminonitroxide) and Their Copper Complexes

AU - Haraguchi, Makoto

AU - Tretyakov, Evgeny

AU - Gritsan, Nina

AU - Romanenko, Galina

AU - Gorbunov, Dmitry

AU - Bogomyakov, Artem

AU - Maryunina, Kseniya

AU - Suzuki, Shuichi

AU - Kozaki, Masatoshi

AU - Shiomi, Daisuke

AU - Sato, Kazunobu

AU - Takui, Takeji

AU - Nishihara, Sadafumi

AU - Inoue, Katsuya

AU - Okada, Keiji

N1 - Publisher Copyright: © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2017/11/16

Y1 - 2017/11/16

N2 - In contrast to diradicals connected by alternant hydrocarbons, only a few studies on those connected by nonalternant hydrocarbons have been reported. The syntheses, structures, and magnetic properties of azulene-1,3-diyl linked bis(nitronyl nitroxide) (NN2Az) and bis(iminonitroxide) (IN2Az) diradicals and their Cu(hfac)2 (hfac=hexafluoroacetylacetonate) complexes were investigated. NN2Az was shown to have an intramolecular ferromagnetic interaction with Jobs/kB=+10.0 K (H=−2JS1⋅S2) between (nitronyl nitroxide) spins, whereas IN2Az was estimated to have a much weaker intramolecular magnetic interaction. The reactions of NN2Az and IN2Az with Cu(hfac)2 gave a 1:2 [{Cu(hfac)2}2(NN2Az)] complex and a 1:1 [Cu(hfac)2(IN2Az)]⋅C6H12 complex, respectively. [{Cu(hfac)2}2(NN2Az)] showed strong intramolecular antiferromagnetic interactions (J1-Cu-R/kB≈−800 K, J2-Cu-R/kB≈−500 K) between the CuII spins and the coordinating NN spins, whereas [Cu(hfac)2(IN2Az)] exhibited a ferromagnetic exchange interaction (Jobs-Cu-R/kB=+114 K) between the CuII spin and the imino-coordinated iminonitroxide spin.

AB - In contrast to diradicals connected by alternant hydrocarbons, only a few studies on those connected by nonalternant hydrocarbons have been reported. The syntheses, structures, and magnetic properties of azulene-1,3-diyl linked bis(nitronyl nitroxide) (NN2Az) and bis(iminonitroxide) (IN2Az) diradicals and their Cu(hfac)2 (hfac=hexafluoroacetylacetonate) complexes were investigated. NN2Az was shown to have an intramolecular ferromagnetic interaction with Jobs/kB=+10.0 K (H=−2JS1⋅S2) between (nitronyl nitroxide) spins, whereas IN2Az was estimated to have a much weaker intramolecular magnetic interaction. The reactions of NN2Az and IN2Az with Cu(hfac)2 gave a 1:2 [{Cu(hfac)2}2(NN2Az)] complex and a 1:1 [Cu(hfac)2(IN2Az)]⋅C6H12 complex, respectively. [{Cu(hfac)2}2(NN2Az)] showed strong intramolecular antiferromagnetic interactions (J1-Cu-R/kB≈−800 K, J2-Cu-R/kB≈−500 K) between the CuII spins and the coordinating NN spins, whereas [Cu(hfac)2(IN2Az)] exhibited a ferromagnetic exchange interaction (Jobs-Cu-R/kB=+114 K) between the CuII spin and the imino-coordinated iminonitroxide spin.

KW - azulenes

KW - copper

KW - nonalternant hydrocarbons

KW - quantum chemistry

KW - radicals

KW - EXCHANGE INTERACTIONS

KW - AB-INITIO

KW - CORRELATION-ENERGY

KW - PYRAZOLYL-SUBSTITUTED NITRONYL

KW - PERTURBATION-THEORY

KW - DIRADICALS

KW - MAGNETIC-PROPERTIES

KW - IMINO NITROXIDES

KW - METAL-COMPLEXES

KW - ELECTRON-DENSITY

UR - http://www.scopus.com/inward/record.url?scp=85033223629&partnerID=8YFLogxK

U2 - 10.1002/asia.201701085

DO - 10.1002/asia.201701085

M3 - Article

C2 - 28940948

AN - SCOPUS:85033223629

VL - 12

SP - 2929

EP - 2941

JO - Chemistry - An Asian Journal

JF - Chemistry - An Asian Journal

SN - 1861-4728

IS - 22

ER -

ID: 9032590