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Effect of adduct formation and solvation on intramolecular spin exchange in a spin-labeled nickel(II) α-dioximate

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The low-spin Ni(II) ion in the square planar spin-labeled α-dioximate NiL2 effectively exchanges spin density between the

    groups of the ligands.

  2. 2.

    Stepwise adduct formation NiL2 → NiL2B → NiL2B2 in the Ni-HL-toluene-neutral electron-donor compound system is observed and studied. Adduct formation is found to lead to a decrease of the value of the spin exchange integral ¦j¦ as a result of a decrease of the degree of covalency of the Ni bond with the ligand donor atoms in the equatorial plane.

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Authors and Affiliations

  1. V. I. Vernadskii Institute of Geochemistry and Analytical Chemistry, Academy of Sciences of the USSR, Moscow

    M. V. Evstiferov, N. G. Vanifatova, O. M. Petrukhin, A. I. Kokorin, V. A. Reznikov & L. B. Volodarskii

  2. N. N. Semenov Institute of Chemical Physics, Academy of Sciences of the USSR, Moscow

    M. V. Evstiferov, N. G. Vanifatova, O. M. Petrukhin, A. I. Kokorin, V. A. Reznikov & L. B. Volodarskii

  3. Novosibirsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR, USSR

    M. V. Evstiferov, N. G. Vanifatova, O. M. Petrukhin, A. I. Kokorin, V. A. Reznikov & L. B. Volodarskii

Authors
  1. M. V. Evstiferov
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  2. N. G. Vanifatova
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  3. O. M. Petrukhin
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  4. A. I. Kokorin
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  5. V. A. Reznikov
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  6. L. B. Volodarskii
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Additional information

The authors thank A. A. Shubin for supplying the programs for calculation of theoretical EPR spectra and V. N. Ikorskii for measurement of magnetic susceptibilities.

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1019–1025, May, 1989.

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Evstiferov, M.V., Vanifatova, N.G., Petrukhin, O.M. et al. Effect of adduct formation and solvation on intramolecular spin exchange in a spin-labeled nickel(II) α-dioximate. Russ Chem Bull 38, 921–926 (1989). https://doi.org/10.1007/BF00955418

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  • DOI: https://doi.org/10.1007/BF00955418

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