Crystal and molecular structure of tri-µ-chloro-dichlorotetrakis(tri-n-butylphosphine)diruthenium, a ruthenium( II )–ruthenium( III ) complex

Authors:
  • GCG. Chioccola
    G. Chioccola
  • JDJ. J. Daly
    J. J. Daly
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Abstract
The structure of Ru2Cl5(PBun 3)4 has been determined by X-ray single-crystal diffraction methods. The crystals are monoclinic, space group P21/c with a= 13·866, b= 16·003, c= 30·545 Å, and β= 111·0°. The molecule has the configuration shown in (I). The two ruthenium co-ordination octahedra are very similar so that RuII and RuIII states cannot be distinguished. The Ru–P lengths have an average value of 2·329 Å. The RuRu distance is 3·115 Å. The final R factor for 3776 planes measured on a linear diffractometer is 0·083.