Abstract
In the title triangulo-triruthenium compound, [Ru3(C36H27As)(C25H22P2)(CO)9], the bis(diphenylphosphanyl)methane ligand bridges an Ru—Ru bond and the monodentate arsine ligand bonds to the third Ru atom. Both the arsine and phosphine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. In each biphenyl unit, the phenyl rings are twisted from each other, making dihedral angles of 51.22 (18), 42.94 (16) and 26.95 (16)°. The arsine-substituted phenyl rings make dihedral angles of 61.22 (15), 87.17 (15) and 83.32 (15)° with each other. The dihedral angles between the two benzene rings are 85.52 (18) and 81.77 (15)° for the two diphenylphosphanyl groups, respectively. In the crystal, molecules are linked into dimers by intermolecular C—H⋯O hydrogen bonds. Weak intermolecular C—H⋯π and π–π [centroid–centroid distance = 3.6981 (18) Å] interactions stabilize the crystal structure.
Highlights
In the title triangulo-triruthenium compound, [Ru3(C36H27As)(C25H22P2)(CO)9], the bis(diphenylphosphanyl)methane ligand bridges an Ru—Ru bond and the monodentate arsine ligand bonds to the third Ru atom. Both the arsine and phosphine ligands are equatorial with respect to the Ru3 triangle
The dihedral angles between the two benzene rings are 85.52 (18) and 81.77 (15)
As part of our study on the substitution of transition metal-carbonyl clusters with mixed-ligand complexes, we report the synthesis and structure of the title compound
Summary
[l-Bis(diphenylphosphanyl)methane1:2j2P:P0 ]nonacarbonyl-1j3C,2j3C,3j3C-[tris(biphenyl-4-yl)arsane-3jAs]triangulo-triruthenium(0) Malaysia, 11800 USM, Penang, Malaysia, and bX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia R factor = 0.030; wR factor = 0.085; data-to-parameter ratio = 17.6.
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