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Structural, EPR spectroscopic, and magnetochemical study of hydrogen-bonded dimeric copper(II) complexes with hetaryl hydrazones

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The copper(II) complexes [CuL1(NO3)] · CH3OH and [CuL2Cl] · CH3OH (L1 is 3,5-di-tert-butylsalicylal 1′-phthalazinyl hydrazone, and L2 is 2-N-tosylaminobenzal 2-imidazolinyl hydrazone) forming hydrogen-bonded dimers in a crystal were synthesized. A weak antiferromagnetic exchange interaction transmitted through extensive linkers incorporating the N–H···O hydrogen bond (2J is–3.0 and–2.6 cm–1, respectively) was recognized by EPR spectroscopy and low-temperature magnetochemistry.

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Correspondence to S. I. Levchenkov.

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Original Russian Text © S.I. Levchenkov, L.D. Popov, N.N. Efimov, V.V. Minin, E.A. Ugolkova, G.G. Aleksandrov, Z.A. Starikova, I.N. Shcherbakov, A.M. Ionov, V.A. Kogan, 2015, published in Zhurnal Neorganicheskoi Khimii, 2015, Vol. 60, No. 9, pp. 1238–1246.

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Levchenkov, S.I., Popov, L.D., Efimov, N.N. et al. Structural, EPR spectroscopic, and magnetochemical study of hydrogen-bonded dimeric copper(II) complexes with hetaryl hydrazones. Russ. J. Inorg. Chem. 60, 1129–1136 (2015).

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