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Copper(II) trinuclear complex with trimesic acid salicylidene hydrazone: Synthesis, structure, and magnetic properties

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Abstract

A trinuclear copper(II) complex of trimesic acid salicylidene hydrazone (H6L) having the composition [Cu3L · 4Py] · CH3OH was synthesized and characterized. By X-ray crystallography, the crystals are triclinic: a = 11.7940(4) Å, b = 13.7241(5) Å, c = 15.8993(6) Å, α = 107.4120(10)°, β = 94.2900(10)°, γ = 105.5650(10)°, space group \( P\bar 1 \) , Z = 2. The number of symmetrically unique reflections having I > 2σ(I) is 7636, R = 0.0465, and R w = 0.1198. The newly prepared complex contains, in its unit cell, two [Cu3L · 4Py] molecules which are linked to form a dimer on account of phenoxo bridges (the Cu-O bond length is 2.555 the Cu…Cu distance is 3.348 Separations between them are 9.414, 9.371, and 9.667 of temperature is satisfactorily fitted in terms of a triangular cluster model (−2J = 2.2 cm−1) with extra intermolecular interactions (zJ′ = 0.4 cm−1). EPR spectra of solutions at 360–380 K feature a poorly resolved HFS, whose modeling gives a satisfactory result with allowance for the interaction of unpaired electrons with three equivalent copper nuclei (g = 2.098; a Cu = 25.8 × 10−4 cm−1).

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Authors and Affiliations

  1. Taurida National V.I. Vernadsky University, Simferopol, Ukraine

    V. F. Shul’gin, O. V. Konnik & R. I. Gurtovoi

  2. International Tomography Center, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    A. S. Bogomyakov

  3. Taras Shevchenko National University, Kiev, Ukraine

    V. Ya. Zub

  4. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

    V. V. Minin

Authors
  1. V. F. Shul’gin
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  2. O. V. Konnik
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  3. R. I. Gurtovoi
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  4. A. S. Bogomyakov
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  5. V. Ya. Zub
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  6. V. V. Minin
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Additional information

Original Russian Text © V.F. Shul’gin, O.V. Konnik, R.I. Gurtovoi, A.S. Bogomyakov, V.Ya. Zub, V.V. Minin, 2011, published in Zhurnal Neorganicheskoi Khimii, 2011, Vol. 56, No. 4, pp. 644–649.

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Shul’gin, V.F., Konnik, O.V., Gurtovoi, R.I. et al. Copper(II) trinuclear complex with trimesic acid salicylidene hydrazone: Synthesis, structure, and magnetic properties. Russ. J. Inorg. Chem. 56, 600–605 (2011). https://doi.org/10.1134/S0036023611040243

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  • DOI: https://doi.org/10.1134/S0036023611040243

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