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Preparation of Potential Macroligands for Alkali-metal Ions using Open-chain Polyether Carboxylic Acids and Tricarbonylbis(triphenylphosphine)ruthenium. X-Ray Crystal Structure of Dicarbonylbisbis(triphenylphosphine)...
Hughes, David L.,Wingfield, Jonathan N.
, p. 739 - 742 (1984)
The preparation and X-ray crystal structure of the title compound is described.The compound crystallizes in the triclinic space group P1 (no. 2) with unit-cell dimensions a = 9.677(2), b = 23.161(6), c = 15.432(5) Angstroem, α = 92.91(2), β = 91.29(4), γ = 102.16(3), and Z = 2.The structure was refined to a final R factor of 0.094 for 4 681 reflections.The ruthenium ion is octahedrally co-ordinated by two mutually cis carbonyl ligands, two mutually trans phosphine ligands, and two mutually cis L ligands, each bound to ruthenium by one oxygen of the carboxylate group.The benzene rings of the phosphine ligands are staggered, and prevent close approach of the two L ligands required to form an oxygen cavity suitable for complexation with alkali metals.
