Acta Cryst. (2009). E65, m1371-m1372  [ doi:10.1107/S1600536809041324 ]

cis,fac-Dichlorido{N-[3,5-di-tert-butyl-2-(trimethylsilyloxy)benzyl]-N,N-bis(2-pyridylmethyl)amine}(dimethyl sulfoxide)ruthenium(II) dichloromethane disolvate

P. J. Fischer, S. G. Minasian and J. Arnold

Abstract: Reaction of dichloridotetrakis(dimethyl sulfoxide)ruthenium(II) and N-[3,5-di-tert-butyl-2-(trimethylsilyloxy)benzyl]-N,N-bis(2-pyridylmethyl)amine (BPPA-TMS) affords the thermodynamic product cis,fac-[RuCl₂(BPPA-TMS)(DMSO)] and kinetic product trans,mer-[RuCl₂(BPPA-TMS)(DMSO)]. The title complex, [RuCl₂(C₃₀H₄₃N₃OSi)(C₂H₆OS)]·2CH₂Cl₂, crystallizes as a dichloromethane disolvate, with two formula units in the asymmetric unit. The complex exhibits a distorted-octahedral geometry about the low spin d⁶ Ru^II center. The BPPA-TMS ligand is coordinated in a facial fashion, with the DMSO ligand cis to the aliphatic nitrogen atom of the BPPA-TMS ligand. One of the two dichloromethane solvate molecules is disordered over two positions in a 0.695:0.305 ratio.

Online 17 October 2009

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