Abstract
The reaction of K2[Ru(NO)Cl5] with pyridine in aqueous ethanol at pH ∼ 7–8 affords a nitrosoruthenium hydroxocomplex mer-[Ru(NO)Py3Cl(OH)]Cl·1.5H2O (I) (yield ∼55%). Treatment of hydroxocomplex I with hydrochloric acid at room temperature gives the aqua complex mer-[Ru(NO)Py3Cl(H2O)]Cl2·2H2O·0.5HCl (II). The structures of the compounds are determined by X-ray crystallography: I, space group P21/n, a = 9.2292(4) Å, b = 11.7781(4) Å, c = 17.4915(7) Å, β = 90.9560(10)°, R = 4.84%; II, space group P-1, a = 7.3528(9) Å, b = 11.5793(11) Å, c = 13.6961(16) Å, α = 84.558(3)°, β = 87.668(4)°, γ = 74.146(4)°, R = 6.22%. Compounds I and II are characterized by powder XRD, 1H and 13C NMR, and IR spectroscopy. The thermal decomposition of compound II in the inert atmosphere is examined by thermal analysis.
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Original Russian Text © 2014 A. N. Makhinya, M. A. Il’in, I. A. Baidina, P. E. Plyusnin, M. R. Gallyamov.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 55, No. 4, pp. 716–724, July–August, 2014.
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Makhinya, A.N., Il’in, M.A., Baidina, I.A. et al. Structure and properties of tripyridine nitrosocomplexes of ruthenium: mer-[Ru(NO)Py3Cl(OH)]Cl·1.5H2O and mer-[Ru(NO)Py3Cl(H2O)]Cl2·2H2O·0.5HCl. J Struct Chem 55, 682–690 (2014). https://doi.org/10.1134/S0022476614040131
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DOI: https://doi.org/10.1134/S0022476614040131