Structure of the first nitrosoammine complexes of ruthenium with a coordinated sulfate ion: [Ru(NO)(NH3)4(SO4)](HSO4)·H2O and [Ru(NO)(NH3)3Cl(SO4)]·2H2O

• Published in: Journal of structural chemistry 2011, Vol.52 (5), p.946-953
• Main Authors: Makhinya, A. N., Shusharina, E. A., Baidina, I. A., Il’in, M. A.
• Format: Article
• Language: English
• Subjects: Atomic; Atomic/Molecular Structure and Spectra; Chemistry; Chemistry and Materials Science; Inorganic Chemistry; Molecular; Optical and Plasma Physics; Physical Chemistry; Solid State Physics
• ISSN: 0022-4766; 1573-8779
• DOI: 10.1134/S0022476611050167

We present a thermogravimetric study of the thermolysis of trans -[Ru(NO)(NH 3 ) 4 (H 2 O)](HSO 4 )SO 4 in a helium atmosphere. The intermediate product of thermolysis (at 186°C) is treated with a 2 M H 2 SO 4 solution to obtain the first example of a sulfate ammine complex of nitrosoruthenium [Ru(NO)(NH 3 ) 4 (SO 4 )](HSO 4 )·H 2 O ( I ) with a ∼70% yield. The product of higher temperature thermolysis (220°C) is treated with acids (H 2 SO 4 and HCl) to obtain a triammine complex [Ru(NO)(NH 3 ) 3 Cl(SO 4 )]·2H 2 O ( II ). The structure of the compounds is found by single crystal XRD: Pna 2 1 space group, a = 10.8005(2) Å, b = 14.9032(3) Å, c = 7.7603(1) Å) ( I ) and P 2 1/ n space group, a = 8.9397(1) Å, b = 8.3276(1) Å, c = 13.8993(2) Å; β = 97.358(1)° ( II ).