Stereo sensitivity of exchange interactions in NiII and CuII heterospin complexes with 5-formylpyrrolyl-substituted nitroxides
- 作者: Zueva E.M.1, Tretyakov E.V.2, Fokin S.V.2, Romanenko G.V.2, Tkacheva A.O.2, Bogomyakov A.S.2, Petrova O.V.3, Trofimov B.A.3, Sagdeev R.Z.4, Ovcharenko V.I.2
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隶属关系:
- Kazan National Technological University
- International Tomography Center, Siberian Branch of the Russian Academy of Sciences
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
- Kazan (Volga region) Federal University
- 期: 卷 65, 编号 3 (2016)
- 页面: 666-674
- 栏目: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/237439
- DOI: https://doi.org/10.1007/s11172-016-1353-8
- ID: 237439
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详细
5-Formylpyrrolyl-substituted nitronyl and imino nitroxide radicals HL1 and HL2 were synthesized. Their solid phases are formed by packing pairs of the molecules. In the {HL1...HL1} pairs, the dominant interaction is the ferromagnetic exchange with J/kB = 8.8 K (Hamiltonian \(H = 2J\left( {\overrightarrow {{s_1}} \overrightarrow {{s_2}} } \right)\)). The ferromagnetic exchange occurs also in the heterospin molecules [Ni(L1)2], [Cu(L1)2], and [Ni(L2)2(MeOH)2]. In the complexes [Ni(L1)2] and [Cu(L1)2], a small change in the mutual orientation of the coordinated ligands has a considerable effect on the value and the sign of the energy of exchange interactions between the unpaired electrons of the metal ion and paramagnetic ligands.
作者简介
E. Zueva
Kazan National Technological University
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 68 ul. K. Marksa, Kazan, 420015
E. Tretyakov
International Tomography Center, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 3a ul. Institutskaya, Novosibirsk, 630090
S. Fokin
International Tomography Center, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 3a ul. Institutskaya, Novosibirsk, 630090
G. Romanenko
International Tomography Center, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 3a ul. Institutskaya, Novosibirsk, 630090
A. Tkacheva
International Tomography Center, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 3a ul. Institutskaya, Novosibirsk, 630090
A. Bogomyakov
International Tomography Center, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 3a ul. Institutskaya, Novosibirsk, 630090
O. Petrova
A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 1 ul. Favorskogo, Irkutsk, 664033
B. Trofimov
A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 1 ul. Favorskogo, Irkutsk, 664033
R. Sagdeev
Kazan (Volga region) Federal University
Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 18 ul. Kremlevskaya, Kazan, 420008
V. Ovcharenko
International Tomography Center, Siberian Branch of the Russian Academy of Sciences
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Email: Victor.Ovcharenko@tomo.nsc.ru
俄罗斯联邦, 3a ul. Institutskaya, Novosibirsk, 630090
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