Abstract
Synthesis of cobalt(II) and nickel(II) complexes with the closo-decaborate anion and benzimidazole derivatives (L1 = C13N3H11, L2 = C15N3H13) of the general formula [ML3][B10H10] (M = Co, Ni) is described. Complexes have been characterized by elemental analysis, IR and UV spectroscopy. The structure of a [Ni(L1)3][B10H10] · 1.797CH3CN single crystal has been determined by X-ray diffraction. The imidazole and pyridine N atoms of three L1 molecules, two of which are disordered, form the distorted octahedral environment of the Ni atom. In the crystal, the majority of complexes [Ni(L1)3]2+ have the meridional configuration. The Ni-N bonds with the imidazole nitrogen atoms (2.010(4)–2.076(3) Å) are shorter than those with the pyridine atoms (2.132(4)–2.179(5) Å). This nonequivalence of the Ni-N bonds is responsible for the low magnetic susceptibility of the compound.
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Original Russian Text © V.V. Avdeeva, I.N. Polyakova, L.V. Goeva, E.A. Malinina, A.P. Zhdanov, K.Yu. Zhizhin, N.T. Kuznetsov, 2015, published in Zhurnal Neorganicheskoi Khimii, 2015, Vol. 60, No. 7, pp. 901–907.
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Avdeeva, V.V., Polyakova, I.N., Goeva, L.V. et al. Cobalt(II) and nickel(II) complexes with 1-methyl-2-pyridin-2-yl-1H- and 1-methyl-2-phenyliminomethyl-1H-benzimidazoles and the closo-decaborate anion. Russ. J. Inorg. Chem. 60, 817–822 (2015). https://doi.org/10.1134/S0036023615070037
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DOI: https://doi.org/10.1134/S0036023615070037