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1.  [μ-Bis(diphenyl­arsanyl)methane-1:2κ2 As:As′]nona­carbonyl-1κ3C,2κ3C,3κ3C-(triisoprop­yl phos­phite-3κP)-triangulo-triruthenium(0) 
The asymmetric unit of the title triangulo-triruthenium compound, Ru3(CO)9(μ-Ph2AsCH2AsPh2)(P[OCH(CH3)2]3) or [Ru3(C25H22As2)(C9H21O3P)(CO)9], contains two mol­ecules of the triangulo-triruthenium complex. The bis­(diphenyl­arsanyl)methane ligand bridges an Ru—Ru bond and the monodentate phosphite ligand binds to the third Ru atom. Both the arsine and phosphite ligands are equatorial with respect to the Ru3 triangle. Additionally, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The dihedral angles between the pairs of benzene rings bound to individual As atoms are 85.67 (8) and 75.91 (8) in the first independent mol­ecule and 74.64 (8) and 70.76 (9) in the second. In the crystal, mol­ecules are linked into a three-dimensional framework by inter­molecular C—H⋯O hydrogen bonds.
doi:10.1107/S1600536811012050
PMCID: PMC3089132  PMID: 21754283
2.  Undeca­carbonyl-1κ3 C,2κ4 C,3κ4 C-(triethyl phosphite-1κP)-triangulo-triruthenium(0) 
In the title triangulo-triruthenium compound, [Ru3(C6H15O3P)(CO)11], each Ru atom has distorted octa­hedral coord­ination geometry. The monodentate phosphine ligand is equatorially coordinated to one Ru atom, leaving one equatorial and two axial carbonyl substituents on the Ru atom. Each of the remaining two Ru atoms carries two equatorial and two axial carbonyl groups. In the crystal, mol­ecules are linked into an inversion dimer by a pair of inter­molecular C—H⋯O hydrogen bonds and the dimers are stacked along the b axis.
doi:10.1107/S1600536811001450
PMCID: PMC3051793  PMID: 21522880

Results 1-3 (3)