Abstract
Multicomponent mixed metal ionic-type dioximates, [Со(DH) 2(Thio) 2][Rh(Thio) 6][BF 4] 4 ( 1), [Со(DH) 2(Thio) 2][Rh(Thio) 6][TiF 6] 2·H 2O ( 2) and [Со(NioxH) 2(Thio) 2] 2[Rh(Thio) 5Cl][TiF 6] 2·CH 3OH·3H 2O ( 3), where DH 2 is dimethylglyoxime, NioxH 2 is 1.2-cyclohexanedionedioxime, and Thio is thiourea, were synthesized and their structures were determined by an X-ray method. Compounds 1–3 consist of two different mononuclear coordination cations with cobalt(III) and rhodium(III) as octahedrally coordinated metal centers and fluorine-containing anions as counterions. In the studied systems, Rh(III) mostly binds Thio ligands instead of dioximes, while a typical bis-dioximate in trans geometry is formed by Co(III) with two Thio ligands placed in axial positions. A structural characterization of coordination cations [Rh(Thio) 6] 3+ and [Rh(Thio) 5Cl] 2+ is given for the first time. The interactions and arrangement of the components in crystals 1–3 are discussed.
Published Version
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