Bis([μ-bis­(diphenyl­phosphino)methane-1:2κ2 P:P′]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-{tris­[4-(methyl­sulfan­yl)phen­yl]arsine-3κAs}-triangulo-triruthenium(0)) dichloro­methane monosolvate

The asymmetric unit of the title triangulo-triruthenium compound, 2[Ru3(C21H21AsS3)(C25H22P2)(CO)9]·CH2Cl2, consists of one triangulo-triruthenium complex mol­ecule and one half of a dichloro­methane mol­ecule which lies across a crystallographic inversion center, leading to the disorder of this mol­ecule over two positions of equal occupancy. The bis­(diphenyl­phosphino)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. Each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three arsine-substituted benzene rings make dihedral angles of 82.69 (9), 70.43 (9) and 89.45 (9)° with each other. The dihedral angles between the two benzene rings are 85.14 (11) and 77.61 (10)° for the two diphenyl­phosphino groups. In the crystal packing, mol­ecules are linked together into dimers via inter­molecular C—H⋯O hydrogen bonds and these dimers are stacked along the a axis. Weak inter­molecular C—H⋯π inter­actions are also present

Bis([μ-bis­(diphenyl­arsino)methane-1:2κ2 As:As’]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-{tris­[4-(methyl­sulfan­yl)phen­yl]arsine-3κAs}-triangulo-triruthenium(0)) dichloro­methane monosolvate

The asymmetric unit of the title triangulo-triruthenium compound, 2[Ru3(C25H22As2)(C21H21AsS3)(CO)9]·CH2Cl2, consists of one triangulo-triruthenium complex mol­ecule and one half of a dichloro­methane mol­ecule which lies across a crystallographic inversion center, leading to the disorder of this mol­ecule over two positions of equal occupancy. The bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate arsine ligand bonds to the third Ru atom. All arsine ligands are equatorial with respect to the Ru3 triangle. Each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three methyl­sulfanyl-substituted benzene rings make dihedral angles of 70.02 (8), 82.85 (9) and 89.49 (8)° with each other. The dihedral angles between the two phenyl rings are 78.25 (9) and 86.59 (9)° for the two diphenyl­arsino groups. In the crystal, weak inter­molecular C—H⋯π inter­actions are observed

Tris[4-(methyl­sulfan­yl)phen­yl]arsine

In the title compound, C21H21AsS3, the three benzene rings make dihedral angles of 88.41 (10), 87.75 (9) and 74.74 (10)° with each other. The methyl­sulfanyl groups are roughly coplanar with their attached benzene rings [C—S—C—C torsion angles = −7.6 (2), 11.2 (2) and 4.1 (2)°]. In the crystal, weak C—H⋯π inter­actions link the mol­ecules

[μ-Bis(diphenyl­arsino)methane-1:2κ2 As:As′][bis­(4-methoxy­phen­yl)phenyl­phosphine-3κP]-nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-triangulo-tri­ruthenium(0) dichloro­methane 0.15-solvate

The asymmetric unit of the title triangulo-triruthenium compound, [Ru3(C25H22As2)(C20H19O2P)(CO)9]·0.15CH2Cl2, contains one mol­ecule of the triangulo-triruthenium complex and one partially occupied dichloro­methane solvent mol­ecule. The dichloro­methane solvent lies across a crystallographic inversion center leading to the mol­ecule being disordered over two positions of equal occupancy. The bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate arsine ligand bonds to the third Ru atom. Both the arsine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three phospho­rus-bound benzene rings make dihedral angles of 72.7 (3), 80.9 (3) and 70.8 (2)° with each other. The dihedral angles between the two benzene rings are 79.9 (3) and 81.5 (2)° for the two diphenyl­arsino groups

Bis{[μ-bis­(diphenyl­arsino)methane-1:2κ2 As:As′]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-[tris­(4-chloro­phen­yl)phosphine-3κP]-triangulo-triruthenium(0)} chloro­form monosolvate

The asymmetric unit of the title triangulo-triruthenium compound, 2[Ru3(C25H22As2)(C18H12Cl3P)(CO)9]·CHCl3, consists of two mol­ecules (A and B) of the triangulo-triruthenium complex and one mol­ecule of chloro­form solvent. The bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate phosphine ligand bonds to the third Ru atom. Both the phosphine and arsine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three phosphine-substituted benzene rings make dihedral angles of 73.5 (3), 57.2 (3) and 75.7 (3)° with each other in mol­ecule A, while these angles are 60.7 (3), 86.8 (3) and 54.9 (3)° in mol­ecule B. The dihedral angles between the two benzene rings are 87.3 (3) and 89.6 (3)° for the two diphenyl­arsino groups in mol­ecule A and 85.6 (3) and 87.7 (3)° in mol­ecule B. In the crystal packing, the mol­ecules are linked into a three-dimensional framework via inter­molecular C—H⋯O and C—H⋯Cl hydrogen bonds. Weak inter­molecular C—H⋯π inter­actions furture stabilize the crystal structure. The crystal studied was an inversion twin, the refined ratio of twin components being 0.480 (7):0.520 (7)

Bis{[μ-bis­(diphenyl­arsino)methane-1:2κ2 As:As′]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-[tris­(4-methoxy­phen­yl)arsine-3κAs]-triangulo-triruthenium(0)} dichloro­methane solvate

The asymmetric unit of the title triangulo-triruthenium compound, 2[Ru3(C25H22As2)(C21H21AsO3)(CO)9]·CH2Cl2, contains one triangulo-triruthenium complex mol­ecule and one half of the dichloro­methane solvent. The dichloro­methane solvent lies across a crystallographic inversion center leading to the mol­ecule being disordered over two positions of equal occupancy. The bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate arsine ligand bonds to the third Ru atom. Both the arsine ligands are equatorial with respect to the Ru3 triangle. In addition, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The trimethoxy­phenyl­arsino benzene rings make dihedral angles of 83.01 (8), 65.81 (8) and 76.20 (8)° with each other. The dihedral angles between the two benzene rings are 82.69 (9) and 78.83 (9)° for the two diphenyl­arsino groups. In the crystal packing, the mol­ecules are stacked along the a axis and weak inter­molecular C—H⋯π inter­actions stabilize the crystal structure

[μ-Bis(diphenyl­arsino)methane-1:2κ2 As:As′]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-[triphenyl­stibine-3κSb]-triangulo-triruthenium(0)

In the title triangulo-triruthenium compound, [Ru3(C25H22As2)(C18H15Sb)(CO)9], the bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate stibine ligand bonds to the third Ru atom. Both the stibine and arsine ligands are equatorial with respect to the Ru3 triangle. Additionally, each Ru atom carries one equatorial and two axial terminal carbonyl ligands. The three stibine-substituted phenyl rings make dihedral angles of 84.3 (3), 80.4 (3) and 70.5 (3)° with each other. The dihedral angles between the two phenyl rings are 85.9 (3) and 75.2 (3)° for the two diphenyl­arsine groups. In the crystal packing, mol­ecules are linked into chains down the c axis via inter­molecular C—H⋯O hydrogen bonds. Weak inter­molecular C—H⋯π inter­actions further stabilize the crystal structure

[μ-Bis(diphenyl­arsino)methane-1:2κ2 As:As′]nona­carbonyl-1κ3 C,2κ3 C,3κ3 C-[diphen­yl(phenyl­sulfanylmeth­yl)phosphine-3κP]-triangulo-triruthenium(0) chloro­form hemisolvate

The asymmetric unit of the title triangulo-triruthenium cluster, [Ru3(C25H22As2)(C19H17PS)(CO)9]·0.5CHCl3, contains of one mol­ecule of the triangulo-triruthenium complex and half a mol­ecule of the disordered (two positions of equal weight) chloro­form solvent. The bis­(diphenyl­arsino)methane ligand bridges an Ru—Ru bond and the monodentate phosphine 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. The benzene ring of phenyl­thio­methyl is disordered over two positions with refined site occupancies of 0.788 (11) and 0.212 (11). In the crystal packing, mol­ecules are linked into chains along b axis by inter­molecular C—H⋯O hydrogen bonds. Weak inter­molecular C—H⋯π inter­actions further stabilize the crystal structure

[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

Undeca­carbonyl-1κ3 C,2κ4 C,3κ4 C-[tris­(2-chloro­eth­yl) phosphite-1κP]-triangulo-triruthenium(0)

In the title triangulo-triruthenium compound, [Ru3(C6H12Cl3O3P)(CO)11], one equatorial carbonyl ligand is substituted by a monodentate phosphite ligand, leaving one equatorial and two axial carbonyl ligands on one Ru atom. The remaining two Ru atoms each carry two equatorial and two axial terminal carbonyl ligands. In the crystal structure, the mol­ecules are linked into a one-dimensional column along [100] by inter­molecular C—H⋯O hydrogen bonds